Proximal

Proximal

AIDeveloper ToolsB2B📍 United States

Proximal builds reinforcement learning environments that teach AI coding agents using real codebases rather than synthetic examples. The company has achieved $200 million in annualized revenue within its first year and is now raising $15 million in a seed round led by General Catalyst at a $300 million valuation.

Total raised
Undisclosed
tracked to date
Latest round
Seed
Oct 9, 2026
Known investors
5
led by General Catalyst

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🏆 Featured in Datapile’s Q4 2026 USA Funding Report

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Funding history

  1. 1
    $15 millionSeedOct 9, 2026

    Led by General Catalyst

    Announcement ↗

Founder

Justus Mattern
Justus Mattern

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Backers from this company's tracked funding rounds.

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