# Onyx funding: rounds and investors

> Onyx has raised $10M across 1 round since 2025. Investors include Y Combinator, Khosla Ventures and First Round Capital. Every round with its source.

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

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

# Who invested in *Onyx*

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 Generative AI

Funding summary Updated 26 Oct 2026

**$10M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $10M Mar 2025
- **Investors:** 5

See who backed them

[**Onyx** Generative AI 1 / 8 Their pitch deck **Onyx's pitch deck, 8 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/onyx)

## The rounds

- **Mar 2025** Seed **$10M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Source recorded

## Everyone who backed them

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

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round

[First Round Capital](https://millionrounds.com/fund/first-round-capital) VC firm **1** round

[Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) VC firm **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

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

## Quick answers about Onyx

### Who invested in Onyx?

Onyx's investors include Y Combinator, Khosla Ventures, First Round Capital, Liquid 2 Ventures and Pioneer Fund.

### 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.

## Companies like Onyx

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