# TypeSafe AI raises $870M Series A led by Andreessen Horowitz

> TypeSafe AI, based in United States, has raised $870M in a Series A led by Andreessen Horowitz, announced on 9 October 2026. 2 other investors joined.

Source: https://millionrounds.com/news/rounds/typesafe-ai-series-a-2026-10 (Millionrounds; every figure on the page links to its filing or article)

Raised **$870M** 4 sources reported it

Stage **Series A** 1 earlier round on record

Investors **3** 1 named as lead

Where **US** United States

AI Robotics

## How big is it?

Against every equity round we recorded in the twelve months to 9 October 2026. Ranks count companies, so the same raise reported twice is counted once.

**#62** equity round of the last twelve months

**#4** Series A of 746 in that time

**#39** round in United States, of 1,164

This round **$870M**

Median Series A **$20M**

44 times the median Series A of the last twelve months.

## Who invested

- [**Andreessen Horowitz** 309 rounds in the last twelve months *Led*](https://millionrounds.com/fund/andreessen-horowitz)

Also in the round

- [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital)
- [DCVC](https://millionrounds.com/fund/data-collective)

## Funding history

- October 2026 Series A **$870M**
- September 2026 Seed **$40M**

$910M raised across the 2 rounds we hold.

## Reported by

- Firms' own news pages
- Silicon Angle 9 October
- AI Insider 12 October
- The SaaS News 13 October

The round's figures come from these reports; each link opens the original.

## Other big rounds that week

[**Oxide** $445M Series D](https://millionrounds.com/news/rounds/oxide-series-d-2026-10)[**VEIR** $110M Series C](https://millionrounds.com/news/rounds/veir-series-c-2026-10)[**DeepSeek** $15B Series B](https://millionrounds.com/news/rounds/deepseek-series-b-2026-10)[M **Manus / Butterfly Effect** $500M Growth](https://millionrounds.com/news/rounds/manus-butterfly-effect-growth-round-2026-10)[**Oratomic** $475M Series B](https://millionrounds.com/news/rounds/oratomic-series-b-2026-10)[**Arena** $200M Series B](https://millionrounds.com/news/rounds/arena-series-b-2026-10)

[The company **TypeSafe AI on Millionrounds** *→*](https://millionrounds.com/company/typesafe-ai)[Weekly roundup **Week of 5 October** *→*](https://millionrounds.com/news/weekly/2026-10-05)[Monthly roundup **October 2026** *→*](https://millionrounds.com/news/monthly/2026-10)

**How this article is made**

We write one for every equity round of $100M or more that at least two sources reported. It is put together from our record of rounds, not rewritten from the reports: the ranks and medians count every equity round we read in the twelve months to the round's date. [How we read rounds](https://millionrounds.com/methodology) · [Report a mistake](https://millionrounds.com/corrections)