Angel investor in listed AI tools

Keith Block

Keith Block has backed 2 companies behind 2 listings on Anchor Terminal.

Angel investor

Keith Block has backed 2 companies behind 2 listings on Anchor Terminal.

Companies on Anchor Terminal

Where they invest

Founders they backed

Questions

Which AI tools has Keith Block invested in?

Anchor Terminal lists AssemblyAI and AssemblyAI, Inc. backed by Keith Block.

How are Keith Block's companies graded?

On Anchor Terminal's benchmark, AssemblyAI Speech-to-Text (Universal) (B, 66.9) and AssemblyAI Voice Agent API (B, 64.6).

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.

For companies

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.