Trace prompts, run regression evals, and ship LLM apps reliably. Tight integration with LangChain but works with any framework.
LangSmith faces mixed sentiment as a capable but expensive tool in a crowded market. While recognized as functional for LLM debugging and monitoring, community discussions highlight emerging open-source alternatives like Langfuse and broader skepticism about AI agent tool proliferation.
“There's a testing gap in AI agent development that the broader engineering community hasn't fully grappled with yet”
RedditAnalyzed from community discussions on reddit.com · May 2026
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