pyspur

The premium Open Source alternative to LangSmith

🎯 Best for:Developers building complex AI agents who need visual debugging.
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Apache-2.0License

What is pyspur?

A visual development environment for building and testing LLM-based agentic workflows. It enables rapid iteration through a node-based interface for prompt engineering and tool integration.

Tech Stack
TypeScriptAI, ML & Data

Why pyspur?

  • Fast iteration cycles
  • Visual node-based UI
  • Python-centric backend

Limitations

  • Early stage project
  • Limited production monitoring
  • Requires LLM API keys
3/5/2026
Last Update
425
Forks
27
Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to pyspur instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on LangSmith)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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