pyspur
The premium Open Source alternative to LangSmith
🎯 Best for:Developers building complex AI agents who need visual debugging.
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%