Antithesis
PrivateLast Round
Series A
Extension
Dec 3, 2025
Est. Valuation
$215M
Total Funding Raised
$182M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Antithesis is a software company that provides an autonomous testing platform designed to identify and reproduce bugs in complex software systems using deterministic simulation.
Sector
AI, Data & Cloud Infrastructure
Verticals
DevOps & Containers, Vulnerability Management, Database Management, Cloud Infrastructure
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Antithesis Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
Antithesis Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Dec 3, 2025 | ||||
| Series A | Feb 13, 2025 | ||||
| Seed | Feb 13, 2024 |
Key People
Founding team and executive leadership
Antithesis Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Potluck Ventures | Seed |
| Jane Street | Series A Extension |
| Hyperion Capital Partners | Series A Extension |
| First In | Series A Extension |
| First In Ventures | Series A Extension, Seed |
| BlueWing Ventures | Series A Extension |
| Teamworthy Ventures | Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Dec 3, 2025
$105M round completed.
- Feb 18, 2025
Emerges from stealth after five years of development.
Antithesis Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Antithesis's valuation, stock price, and market status.