United States · 
Who invested in a0.dev?
a0.dev's investors include Y Combinator, Pioneer Fund, B Capital, Team Ignite Ventures and Karman Ventures, and 1 more on record.
United States · Pre-seed startup
Who invested in a0.dev
One round we have observed, with the 6 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.
Funding summaryUpdated 26 Oct 2026
$500Kraised across 1 round since 2025, from 1 source
- Latest round
- Pre-seed, $500KMar 2025
- Investors
- 6
The rounds
- Mar 2025Pre-seed$500K
Source recorded
Everyone who backed them
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Quick answers about a0.dev
How much has a0.dev raised?
a0.dev has raised $500K across 1 round since 2025.
When did a0.dev last raise?
a0.dev's most recent round was a Pre-seed of $500K in Mar 2025.
What was a0.dev's biggest round?
Its most recent round, $500K in Mar 2025, is also its largest on record.
Who backed a0.dev first?
a0.dev's first round on record, in Mar 2025, was backed by Y Combinator, Pioneer Fund and B Capital and 3 others.
What stage is a0.dev at?
a0.dev's latest named round is a Pre-seed, in Mar 2025.
Where is a0.dev based?
a0.dev is based in the United States.
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