Antithesis

Raised $105M in a Series A round, announced 3 December 2025.

Round

Series A led by customer Jane Street to grow autonomous testing.

Amount
$105M
Stage
Series A
Announced
3 December 2025
Lead
Jane Street
Use of funds
Series A led by customer Jane Street to grow autonomous testing.
Checked
Announced by the company

Company

Deterministic simulation testing platform that finds and reproduces software bugs

Based in
United States
Sector
Enterprise software
Website
antithesis.com ↗

Sources and links

Sources
Antithesis raises $105M Series A led by Jane Street antithesis.com
Antithesis raises $105M Series A led by Jane Street cryptobriefing.com
Website
antithesis.com ↗
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