United States · 
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.
United States · Seed startup
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.
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Funding summaryUpdated 5 Nov 2026
$55Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $55MJul 2025
- Led by
- RTX Ventures
- Investors
- 5 (1 led)
The rounds
- Jul 2025
Everyone who backed them
RTX VenturesGrowth equity1round, led 1
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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.
Quick answers about Radical AI
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.
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