TL;DR: Lemma is a Y Combinator Fall 2025 startup Production Monitoring for AI agents, currently active with a team of 2.
Production Monitoring for AI agents
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Lemma catches the silent, semantic failures your observability tools miss, where your AI agent looks like it worked but didn’t. We scan every trace to surface issues before users complain, identify root causes, and help you fix them without manual digging, so your agents improve over time.
Built by LemStudio
Yes. Lemma was funded by Y Combinator in the Fall 2025 batch. Production Monitoring for AI agents
Lemma catches the silent, semantic failures your observability tools miss, where your AI agent looks like it worked but didn’t. We scan every trace to surface issues before users complain, identify root causes, and help you fix them without manual digging, so your agents improve over time.
Lemma was part of Y Combinator's Fall 2025 batch.
Lemma has a team of 2 people according to Y Combinator's directory.
Lemma is currently listed as Active with a team of 2 in Y Combinator's directory.
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