Lemma Raises $2.3 Million Pre-Seed Round Backed By Y Combinator And Other Investors

Lemma, a San Francisco-based AI agent observability startup, has raised a $2.3 million pre-seed round backed by Matrix, Y Combinator, Liquid 2 Ventures, and investors from OpenAI, xAI, Meta, and DoorDash. Founded in 2025 by Jerry Zhang and Cole Gawin, Lemma monitors more than 1 million AI agent traces daily to detect silent failures, identify root causes, and suggest fixes directly in the codebase. The company is targeting a growing problem in AI: agents that appear to work in testing but quietly fail in production.

FOUNDERS: Jerry Zhang and Cole Gawin

INVESTORS: Matrix, Y Combinator, Liquid 2 Ventures, Vermilion Cliffs Ventures, Irregular Expressions, Cervin Ventures, Comma Capital, Position Ventures, Eight Capital & angels from OpenAI, xAI, Meta and DoorDash

ROUND: Pre-Seed AMOUNT: $2,300,000

HQ: San Francisco, California

#VentureCapital #Lemma #AI #TradedVC #AIInfrastructure