Venture firm in listed AI tools

Irregular Expressions

Irregular Expressions has backed 2 companies behind 2 listings on Anchor Terminal.

Venture firm

Irregular Expressions has backed 2 companies behind 2 listings on Anchor Terminal.

Companies on Anchor Terminal

Pydantic Seed, February 2023, Series A, October 2024
- Pydantic AI A · Agent frameworks & SDKs
Source pydantic.dev/articles/…
Pydantic Services Inc. Seed, February 2023, Series A, October 2024
- Pydantic Logfire B · Agent observability & evals
Source pydantic.dev/articles/…

Where they invest

Agent frameworks & SDKs 1 Agent observability & evals 1

Founders they backed

Samuel Colvin Pydantic, Pydantic Services Inc.

Questions

Which AI tools has Irregular Expressions invested in?

Anchor Terminal lists Pydantic and Pydantic Services Inc. backed by Irregular Expressions.

How are Irregular Expressions's companies graded?

On Anchor Terminal's benchmark, Pydantic AI (A, 81.9) and Pydantic Logfire (B, 65.1).

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.

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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.