Project Overview
Gradio is a Python library for wrapping any machine learning model, function, or API in a shareable web interface. You define inputs and outputs using Python types, and Gradio handles rendering, server routing, and browser communication. The result is a live app at localhost:7860 or a public URL via Hugging Face Spaces.
The project is actively maintained by Hugging Face engineers with frequent releases and a responsive issue tracker. With 42,000+ GitHub stars, it has become one of the most-adopted tools for ML prototyping and demo sharing in the Python ecosystem.
The license is Apache 2.0, which is permissive for commercial and internal use without restrictions.
Key Challenges Addressed
Getting a machine learning model in front of non-engineers used to require a separate frontend project. Gradio eliminates that:
- Zero frontend code. You describe inputs and outputs as Python types. Gradio renders the right widgets automatically β textboxes for strings, sliders for numbers, image uploaders for PIL images.
- Instant sharing. Pass
share=Truetolaunch()and you get a public URL within seconds through Hugging Face's tunnel. No deployment infrastructure needed for a prototype. - Fast iteration. Wrapping a new model version takes minutes. You can swap models, preprocessing, and output formatting while keeping the UI unchanged.
- Hugging Face ecosystem integration. Pull any model from the Hub, wrap it in a Gradio interface, and push the demo back to Spaces β all from Python.
Getting Started
Install the package:
pip install gradio
A minimal text interface:
import gradio as gr
def answer(question):
return f"You asked: {question}"
demo = gr.Interface(fn=answer, inputs="text", outputs="text")
demo.launch()
This opens a browser at http://127.0.0.1:7860. Add share=True inside launch() for a temporary public URL.
Sharp edges:
- Calling
demo.launch()in a Jupyter notebook withoutinline=Trueopens a separate browser tab and leaves a background server running with no obvious way to stop it β usedemo.launch(inline=True)in notebook contexts. gr.Interfaceinfers component types from Python type annotations. If your function lacks type hints and returns a complex object, Gradio silently falls back to a plain textbox and drops structure β annotate your function signatures explicitly.- The
share=Truetunnel requires an outbound HTTPS connection to Hugging Face's servers. Corporate VPNs and air-gapped machines block this silently with a generic timeout; verify connectivity first with a direct HTTPS request tohuggingface.cobefore debugging Gradio itself.
Features and Use Cases
Blocks API β gr.Blocks is the composable layout layer underneath gr.Interface. You arrange components in rows, columns, and tabs, and wire multiple Python functions to different UI events. Use Blocks when a single-input-to-single-output flow is too limiting.
Streaming outputs β gr.Textbox supports streaming. If your function yields tokens progressively (as in LLM inference), Gradio streams them to the browser in real time:
def stream_tokens(prompt):
for token in model.generate(prompt):
yield token
demo = gr.Interface(fn=stream_tokens, inputs="text", outputs="text")
Chat interface β gr.ChatInterface wraps a chat function with a full conversation UI including message history and a clear button. For LLM chat demos, this eliminates most of the boilerplate.
State management β gr.State stores per-session values server-side. Use it to maintain conversation history, per-user model instances, or accumulated results without passing them through the UI form.
Queue β For long-running model inference, demo.queue() batches concurrent requests and streams progress back via server-sent events. This is how you handle multiple users without timeouts.
Component library β Built-in components cover text, images, audio, video, dataframes, Matplotlib and Plotly plots, 3D models, and file uploads. You can build custom components in Svelte using the gradio cc CLI if you need something the built-in set doesn't cover.
Ecosystem and Dependencies
Gradio is tightly coupled to the Hugging Face ecosystem. The huggingface_hub library lets you push demos to Hugging Face Spaces directly: demo.push_to_hub("username/demo-name") publishes your interface with a permanent public URL.
The transformers library integrates naturally β load a pipeline and pass it as the function argument. Gradio infers the right input/output components from the pipeline type in many common cases.
On the server side, Gradio runs on FastAPI. If you need to embed a Gradio interface in an existing web application, gr.mount_gradio_app(app, demo, path="/gradio") attaches it to any ASGI-compatible app without spinning up a second process.
Architectural Overview
Gradio's server is a FastAPI application that serves a Svelte-based frontend and handles API calls from the browser. The core data flow:
- Browser sends a POST to
/run/predictwith serialized inputs. - FastAPI deserializes inputs into Python objects using each component's
preprocessmethod. - Your Python function runs and returns output objects.
- FastAPI serializes outputs using each component's
postprocessmethod and returns JSON or file URLs. - The browser renders the response.
Key design points:
- Component serialization β Each
gr.Componentowns its serialize/deserialize logic. Adding a custom component means implementingpreprocess,postprocess, and the Svelte frontend widget. - Queue β The optional queue sits between the FastAPI handler and your function, managing concurrency and streaming progress back via SSE. Enable it before going multi-user.
- Session state β Stored in-process, keyed by session ID. It does not survive server restarts and does not work correctly behind load balancers without sticky sessions.
Pros and Cons
Pros:
- Very low boilerplate for the most common case β a useful demo is often under 10 lines of Python.
- First-class streaming output support built into the component system, not a workaround.
gr.ChatInterfaceeliminates nearly all LLM chat demo scaffolding.- Hugging Face Spaces deployment is a single function call from Python.
- Active maintenance with a well-resourced team and frequent releases.
- Apache 2.0 license with no commercial-use restrictions.
Cons:
- Layout control is limited. Complex multi-panel dashboards require verbose Blocks wiring and feel constrained compared to a full UI framework.
- Custom components require Svelte β there is no Python-only path for frontend customization.
- Session state is in-process and non-persistent. Server restarts lose all state, and load-balanced deployments require sticky sessions to work correctly.
share=Trueis a demo convenience, not a production path. It provides no authentication, no rate limiting, and no uptime guarantee.- The significant over the last ~6 months decline in adoption momentum is worth factoring into long-term tool decisions.
Comparison and Alternatives
GitHub stars
Weekly star gains
Full metrics details
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
Gradio
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub GraphQL current stargazer cohort, reconstructed from starredAt events and totalCount retrieved in one stable pagination walk. GitHub does not expose historical unstar events, so this is not an exact ledger of past star counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Issues opened
Weekly total
Full metrics details
GitHub API observation. Historical values render only when the source provides a real observation for that day.
Gradio
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Issues closed
Weekly total
Full metrics details
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
Gradio
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Pull requests opened
Weekly total
Full metrics details
GitHub API observation. Historical values render only when the source provides a real observation for that day.
Gradio
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Pull requests closed
Weekly total
Full metrics details
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
Gradio
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Pull requests merged
Weekly total
Full metrics details
GitHub API observation. Historical values render only when the source provides a real observation for that day.
Gradio
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub API observation. Historical values render only when the source provides a real observation for that day.
178 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub API observation. Historical values render only when the source provides a real observation for that day.
146 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Open/closed pull request ratio
Weekly average
Full metrics details
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
Gradio
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub Search pull-request totals queried for exact UTC days; rolling values are sums of proven daily counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Open/closed issues ratio
Weekly average
Full metrics details
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
Gradio
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub Search issue totals queried for exact UTC days; rolling values are sums of proven daily counts.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Releases
Weekly total
Full metrics details
GitHub release published_at events bucketed by UTC day; drafts are excluded.
Gradio
GitHub release published_at events bucketed by UTC day; drafts are excluded.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Streamlit
GitHub release published_at events bucketed by UTC day; drafts are excluded.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Dash
GitHub release published_at events bucketed by UTC day; drafts are excluded.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Panel
GitHub release published_at events bucketed by UTC day; drafts are excluded.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
VoilΓ
GitHub release published_at events bucketed by UTC day; drafts are excluded.
180 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Shiny for Python
GitHub release published_at events bucketed by UTC day; drafts are excluded.
179 observed daily rows. Missing days are not fabricated.
| Date | Value |
|---|
Hotness score
Weekly average
Full metrics details
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
Gradio
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
Streamlit
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
Dash
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
179 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
Panel
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
VoilΓ
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
Shiny for Python
Derived only from GitHub GraphQL starredAt events after daily star totals are reconciled.
179 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.40 Γ Hot today + 0.40 Γ Hot week + 0.20 Γ Breakout.
- Same-day multiplier = stars 1d Γ· max(1, stars 7d Γ· 7)
- Weekly multiplier = stars 7d Γ· max(1, stars 30d Γ· 30 Γ 7)
- Fortnight multiplier = stars 14d Γ· max(1, stars 90d Γ· 90 Γ 14)
- Hot today = clamp(70 Γ log-scale(stars 1d, 1000) + 30 Γ breakout-scale(same-day, 4))
- Hot week = clamp(75 Γ log-scale(stars 7d, 5000) + 25 Γ breakout-scale(weekly, 3))
- Breakout = clamp(35 Γ breakout-scale(same-day, 4) + 40 Γ breakout-scale(weekly, 3) + 25 Γ breakout-scale(fortnight, 2.5))
| Date | Stars | Stars 1d | Stars 7d | Stars 14d | Stars 30d | Stars 90d | Same-day multiplier | Weekly multiplier | Fortnight multiplier | Hot today | Hot week | Breakout | Stored score |
|---|
Reliability score
Weekly average
Full metrics details
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
Gradio
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
Streamlit
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
Dash
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
179 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
Panel
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
VoilΓ
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
180 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
Shiny for Python
Derived from the displayed continuity, closure, shipping, liveness, and support-burden components.
179 observed daily rows. Missing days are not fabricated.
Per-day formula: 0.30 Γ Continuity + 0.30 Γ Closure + 0.20 Γ Shipping + 0.10 Γ Liveness + 0.10 Γ Support burden.
- Continuity = 35% active ratio 90d + 20% active ratio 30d + 15% PR efficiency 90d + 10% PR efficiency 30d + 10% liveness + 10% observed-history coverage
- Closure = 55% PR merge efficiency 90d + 45% issue close efficiency 90d
- Shipping = 100 Γ (20% Γ release ratio 30d + 30% Γ release ratio 90d + 50% Γ release ratio 180d); ratios are releases Γ· 2, 6, and 12, capped at 1
- Support burden = 100 β 2 Γ open issues per 1,000 stars
- Liveness = 100 Γ exp(βpushed days ago Γ· 120)
Stars, issues, pull requests, and releases are daily observations. Pushed-days and license are repository snapshot-derived inputs and are not independent historical GitHub events.
| Date | Issues opened | Issues closed | PRs opened | PRs merged | Releases | Stars | Open issues | Pushed days ago | Continuity | Closure | Shipping | Liveness | Support burden | License | Observed days | Missing days | Needs healing | Stored score |
|---|
Several Python-first UI frameworks target overlapping use cases:
| Project | Repo | Hotness (~6mo) | PRs merged (~6mo) | Star growth (~6mo) |
|---|---|---|---|---|
| Gradio | https://github.com/gradio-app/gradio | 69.77 | 232 | 438 |
| Streamlit | https://github.com/streamlit/streamlit | 99.38 | 2242 | 4644 |
| Dash | https://github.com/plotly/dash | metrics pending | 0 | 75 |
| Panel | https://github.com/holoviz/panel | metrics pending | 0 | 24 |
| VoilΓ | https://github.com/voila-dashboards/voila | metrics pending | 0 | 6 |
| Shiny for Python | https://github.com/posit-dev/py-shiny | metrics pending | 0 | 9 |
The best overall alternative is Streamlit. It has broader community adoption, a larger ecosystem of third-party components, and is better suited to data-heavy internal tools where Gradio's ML-demo-first design becomes a constraint.
Conclusion
If you're building ML model demos, prototyping LLM interfaces, or publishing interactive experiments on Hugging Face Spaces, Gradio is the fastest path from a Python function to a shareable app. The official documentation covers the full component API and Blocks system with working examples for the most common use cases.
Do not use share=True in production β it routes all traffic through Hugging Face tunnel servers with no authentication, no rate limiting, and no uptime guarantee, leaving your endpoint open to the public internet. For any deployment beyond a personal prototype, host the underlying FastAPI server directly behind a reverse proxy and start by reading the Gradio deployment guide before putting a public URL in front of users.
