Updated March 10, 2026
Modular Python framework for AI agents with chain-of-thought reasoning
AWS-backed open-source agentic SDK for building AI agents
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.