# Radical AI funding: rounds and investors

> Radical AI has raised $55M across 1 round since 2025. Investors include RTX Ventures, Y Combinator and Alumni Ventures. Every round with its source.

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

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

# Who invested in *Radical AI*

One round we have observed, with the 5 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 Chemicals & Materials

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Funding summary Updated 5 Nov 2026

**$55M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $55M Jul 2025
- **Led by:** RTX Ventures
- **Investors:** 5 (1 led)

See who backed them

## The rounds

- **Jul 2025** Seed **$55M** [RTX Ventures](https://millionrounds.com/fund/rtx-ventures) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [AlleyCorp](https://millionrounds.com/fund/alleycorp) [nVentures](https://millionrounds.com/fund/nventures-2) Reported by AlleyWatch

## Everyone who backed them

[RTX Ventures](https://millionrounds.com/fund/rtx-ventures) Growth equity **1** round, led 1

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

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[AlleyCorp](https://millionrounds.com/fund/alleycorp) Venture studio **1** round

[nVentures](https://millionrounds.com/fund/nventures-2) VC firm **1** round

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

## Also claim to have backed them

This firm lists Radical AI 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.

[Marin Digital Ventures](https://millionrounds.com/fund/marin-digital-ventures) VC firm Per its own site

## Quick answers about Radical AI

### Who invested in Radical AI?

Radical AI's investors include RTX Ventures, Y Combinator, Alumni Ventures, AlleyCorp and nVentures. RTX Ventures led its latest round.

### How much has Radical AI raised?

Radical AI has raised $55M across 1 round since 2025.

### When did Radical AI last raise?

Radical AI's most recent round was a Seed of $55M in Jul 2025, led by RTX Ventures.

### What was Radical AI's biggest round?

Its most recent round, $55M in Jul 2025, is also its largest on record.

### Who backed Radical AI first?

Radical AI's first round on record, in Jul 2025, was backed by RTX Ventures, Y Combinator and Alumni Ventures and 2 others.

### What stage is Radical AI at?

Radical AI's latest named round is a Seed, in Jul 2025.

### Where is Radical AI based?

Radical AI is based in the United States.

### Who led Radical AI's rounds?

RTX Ventures led the Seed in 2025.

## Companies like Radical AI

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

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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