As of: 2026-10-12 07:22 CEST.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz.
Canonical page: https://postcutoff.com/p/2026-10-09-typesafeai-series-a/

# TypeSafe AI's official Series A announcement ('we told @a16z we wanted to put intelligent software everywhere')

TypeSafe AI (@typesafeai), X, 2026-10-09.
Source: https://x.com/typesafeai/status/2108596156951642589

## Why it matters

Company's own announcement of the $870M Series A (~94k views), quoting CEO CompleteSkeptic's 'it's been 3 weeks' post.

## Summary

Posted Oct 9, 2026 (16:31 UTC): "we told @a16z we wanted to put intelligent software everywhere / they asked how much compute that
would take / we said Uh Yes. / announcing our really big Series A". It quotes @CompleteSkeptic: "launched a model / accidentally served
trillions of tokens a day / 29.4% of the fortune 500 showed up / raised a really big series A from @a16z / it's been 3 weeks". No
amount is stated in the post (the $870M figure comes from Bloomberg and the company blog). Checked via api.fxtwitter.com on Oct 11:
~94k views.

## Archived text

> we told @a16z we wanted to put intelligent software everywhere
> 
> they asked how much compute that would take
> 
> we said Uh Yes.
> 
> announcing our really big Series A
> 
> > Quoting @CompleteSkeptic: launched a model
> > 
> > accidentally served trillions of tokens a day
> > 
> > 29.4% of the fortune 500 showed up
> > 
> > raised a really big series A from @a16z 
> > 
> > it's been 3 weeks
> > 
> > we would like to sleep now

Archived 2026-10-11 via fxtwitter (unofficial).
Counts: 93,686 views, 1,227 likes, 48 reposts, 53 replies (at fetch time)

## Cited in

- 2026-10-09: [TypeSafe AI, maker of the Jev decision model, raises ~$870M led by a16z at a $7.5B valuation](https://postcutoff.com/e/2026-10-09-typesafe-ai-870m-a16z-7-5b/)