Venture firm in listed AI tools

M13

M13 has backed 1 company behind 1 listing on Anchor Terminal.

Venture firm

M13 has backed 1 company behind 1 listing on Anchor Terminal.

m13.co

Company on Anchor Terminal

Rime Labs Series A, July 2026, led a round
- Rime TTS API + MCP C · Text-to-speech
Source m13.co/article/…

Where they invest

Text-to-speech 1

Founders they backed

Lily Clifford Rime Labs
Brooke Larson Rime Labs
Ares Geovanos Rime Labs

Questions

Which AI tools has M13 invested in?

Anchor Terminal lists Rime Labs backed by M13.

How are M13's companies graded?

On Anchor Terminal's benchmark, Rime TTS API + MCP (C, 55.9).

Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source and the date it was researched. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.