Who invested in Codex?
Codex's investors include Y Combinator, Citibank, Hustle Fund, NFX and Dragonfly Capital Partners, and 3 more on record.

United States · Seed startup
Funding summaryUpdated 26 Oct 2026
$21Mraised across 3 rounds since 2021, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
Source recorded
From Codex's own website: 3 founders.
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Codex's investors include Y Combinator, Citibank, Hustle Fund, NFX and Dragonfly Capital Partners, and 3 more on record.
Codex has raised $21M across 3 rounds since 2021. One round did not disclose an amount, so the total is a floor.
Codex's most recent round was a Seed of $16M in Feb 2025.
Its most recent round, $16M in Feb 2025, is also its largest on record.
Codex's first round on record, in Dec 2021, was backed by Y Combinator, Citibank and NFX and 2 others.
Codex's latest named round is a Seed, in Feb 2025.
Codex is based in the United States.
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