# AssemblyAI funding: rounds and investors

> AssemblyAI has raised $50M across 1 round since 2023. Investors include Y Combinator and Insight Partners. Every round with its source.

Source: https://millionrounds.com/company/assemblyai (Millionrounds; every figure on the page links to its filing or article)

United States · [Series C startup](https://millionrounds.com/companies)

# Who invested in *AssemblyAI*

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Y Combinator: S17

Funding summary Updated 26 Oct 2026

**$50M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series C, $50M Dec 2023
- **Investors:** 2

See who backed them

## The rounds

- **Dec 2023** Series C **$50M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) Source recorded

## Founders and team

From AssemblyAI's own website: 1 on the team.

- **United States** Senior Design Engineer

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Insight Partners](https://millionrounds.com/fund/insight-venture-partners) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=assemblyai).

## Also claim to have backed them

This firm lists AssemblyAI as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[AI Grant](https://millionrounds.com/fund/ai-grant) Accelerator Per its own site

## Quick answers about AssemblyAI

### Who invested in AssemblyAI?

AssemblyAI's investors include Y Combinator and Insight Partners.

### How much has AssemblyAI raised?

AssemblyAI has raised $50M across 1 round since 2023.

### When did AssemblyAI last raise?

AssemblyAI's most recent round was a Series C of $50M in Dec 2023.

### What was AssemblyAI's biggest round?

Its most recent round, $50M in Dec 2023, is also its largest on record.

### Who backed AssemblyAI first?

AssemblyAI's first round on record, in Dec 2023, was backed by Y Combinator and Insight Partners.

### What stage is AssemblyAI at?

AssemblyAI's latest named round is a Series C, in Dec 2023.

### Where is AssemblyAI based?

AssemblyAI is based in the United States.

## Companies like AssemblyAI

In the same sector, and raised in the last eighteen months.

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app