# Letter AI raises USD 40 million in Series B financing

On 2026-02-24, according to Xiniu Data, Letter AI completed Series B financing, raising USD 40 million. Investors were Lightbank, Stage 2 Capital, Y Combinator, Battery Ventures and others.



Canonical: https://uniquebase.ai/news/97c6ae07-2bd9-4fc7-950f-fafd6d3cbd19
Stable identifier: 97c6ae07-2bd9-4fc7-950f-fafd6d3cbd19
Snapshot captured: 2026-10-20T18:19:32.670Z
English updated: 2026-10-21T16:15:48.346Z

## Connected profiles

- [Battery Ventures](/institutions/battery-ventures)
- [Letter AI](/companies/letter-ai)
- [Lightbank](/institutions/lightbank)
- [Northwestern Mutual Future Ventures](/institutions/northwestern-mutual-future-ventures)
- [Stage 2 Capital](/institutions/stage-2-capital)
- [Y Combinator](/institutions/y-combinator)

## Sources

- No source links are available for this profile.