United States · 
Who invested in Onyx?
Onyx's investors include Y Combinator, Khosla Ventures, First Round Capital, Liquid 2 Ventures and Pioneer Fund.
United States · Seed startup
Who invested in Onyx
Funding summaryUpdated 26 Oct 2026
$10Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $10MMar 2025
- Investors
- 5
OnyxGenerative AI1 / 8Their pitch deckOnyx's pitch deck, 8 slidesEach slide read for what it argues, against the decks that raised at the same stage.→The rounds
- Mar 2025
Everyone who backed them
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Quick answers about Onyx
How much has Onyx raised?
Onyx has raised $10M across 1 round since 2025.
When did Onyx last raise?
Onyx's most recent round was a Seed of $10M in Mar 2025.
What was Onyx's biggest round?
Its most recent round, $10M in Mar 2025, is also its largest on record.
Who backed Onyx first?
Onyx's first round on record, in Mar 2025, was backed by Y Combinator, Khosla Ventures and First Round Capital and 2 others.
What stage is Onyx at?
Onyx's latest named round is a Seed, in Mar 2025.
Where is Onyx based?
Onyx is based in the United States.
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