Bokeh

Interactive Web Plotting for Python.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 16, 2026

Overview

What is Bokeh?

Bokeh is an interactive visualization library that targets modern web browsers for presentation. It provides elegant, concise construction of versatile graphics, and affords high-performance interactivity over large or streaming datasets.

Key differentiator

Bokeh stands out as an interactive visualization library that targets modern web browsers, offering high-performance interactivity and extensive customization options over large or streaming datasets.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Interactive plots and charts for web applicationsmedium

High-performance interactivity over large datasetsmedium

Supports streaming data visualizationmedium

Customizable visualizations with extensive styling optionsmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited third-party integration supporthigh

Bokeh's ecosystem is not as extensive compared to other visualization libraries like Matplotlib or Plotly, making it harder to find plugins and extensions.

Performance issues with very large datasetsmedium

Rendering interactive plots with millions of data points can lead to slow performance and high memory usage in web browsers.

Fit analysis

Who is it for?

✓ Best for

Projects requiring high-performance interactivity over large datasets

Web applications that need to visualize streaming data

Developers who want to create interactive plots and charts for web apps without a backend service

✕ Not a fit for

Teams needing real-time streaming (Bokeh is more suited for batch processing)

Projects with strict performance constraints where JavaScript libraries might be lighter-weight options

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Bokeh

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →