PyQtGraph vs Plotly

Side-by-side — pricing, strengths, tradeoffs, and fit.

PyQtGraph

Pure-python graphics and GUI library built on PyQt4/PySide and NumPy.

Plotly

Collaborative web plotting for Python and matplotlib.

At a glance

Open SourceFree Tier
● Established·From $0
Open SourceFree Tier
· Not enough data·From Freemium

Overview

One-liner

Pure-python graphics and GUI library built on PyQt4/PySide and NumPy.

One-liner

Collaborative web plotting for Python and matplotlib.

Maturity

Established

Maturity

Not enough data

Open source

✓ Yes

Open source

✓ Yes

Pricing

Free tier

✓ Available

Open source — free to use

Free tier

✓ Available

Starts at

$0

Starts at

Freemium

Model

Flat rate

Model

Flat rate

Enterprise

✕ None

Enterprise

✕ None

Best for

✓ Best for

Developers building interactive GUIs with real-time data visualization needs
Scientific researchers requiring high-performance plotting and analysis tools

✓ Best for

Teams needing to create and share interactive data visualizations in Python
Projects requiring high-quality, web-based graphing capabilities
Collaborative environments where multiple users need to interact with the same plots

Not ideal for

✕ Not for

Projects that require cloud-based deployment without local installation capabilities
Applications needing a web-based interface rather than desktop GUI

✕ Not for

Real-time streaming applications (Plotly is not designed for real-time updates)
Applications that require extremely lightweight plotting solutions

Strengths

↑ Strengths

High-performance data visualization for scientific applications
Seamless integration with PyQt4/PySide and NumPy
Supports real-time data analysis and display

↑ Strengths

Interactive charts and graphs
Collaborative web-based platform
Support for over 20 languages
High-quality data visualization capabilities

Weaknesses

↓ Weaknesses

Limited documentation and examples
Performance issues with large datasets
Dependency on PyQt4/PySide can be restrictive
Active development but community size is relatively small

↓ Weaknesses

Limited offline support and documentation for advanced features
Performance issues with large datasets
Full PyQtGraph profile →Full Plotly profile →
PyQtGraph vs Plotly | AI Navigator