Lemma raises $2.3M pre seed

◆ Amount

$2.3M

◆ Announced

7 Aug 2026

◆ Company

◆ Source

◆ The Round

Lemma raised $2.3M in pre seed funding, announced on 7 August 2026, led by Matrix, Y Combinator, with participation from Liquid 2 Ventures, Vermilion Cliffs Ventures, Irregular Expressions, Cervin Ventures, Comma Capital, Position Ventures, Eight Capital. The round is tracked live by Fusion42 as part of the Raise fund database and the Scout startup database.

◆ About Lemma

AI agent reliability startup building monitoring infrastructure to detect silent failures in production AI agents. Lemma is based in United States and currently at pre seed stage, operating in Enterprise Software, AI & ML.

◆ Investors

◆ Investing funds on Raise

• Y Combinator
• Vermilion Cliffs Ventures

◆ Market context

Y Combinator and Vermilion Cliffs Ventures are profiled on Raise, Fusion42's database of venture funds — where each investor's thesis, cheque size and other tracked backings can be followed. This funding event is a citable node in Fusion42's market graph: it links Lemma's Scout profile to the funds behind the round and to related Wire analysis, and is refreshed from public announcements as the round is confirmed or extended. It is the same live market data Arthur reasons over when benchmarking a founder's own raise against what is closing in the market right now.

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