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Proximal

San Francisco, United States

seed$15M raisedFreshly fundedData & AnalyticsAI & MLDeveloper Tools

◆ Total Raised

$15M

◆ Stage

seed

◆ Location

San Francisco, United States

◆ Founded

2025

◆ Team size

1-10

◆ Links

◆ About Proximal

San Francisco-based coding data startup that supplies data to improve AI models, focusing on software engineering.

◆ What sets it apart

It focuses on research-grade, long-horizon coding data and RL environments built from real codebases rather than generic synthetic task generation.

◆ Sectors

Data & AnalyticsAI & MLDeveloper Tools

◆ Business

ModelSaaS

CustomerFrontier AI labs and other teams building coding agents

◆ Notable

  • Exited stealth in 2026
  • Raised a $15M seed round led by General Catalyst
  • Reached a revenue milestone reported at over $200M

◆ Backing funds on Raise

◆ Funding rounds

seed$15M

29 Sept 2026

Led by General Catalyst

Source ↗

◆ Explore the market

◆ FAQ

What does Proximal do?

San Francisco-based coding data startup that supplies data to improve AI models, focusing on software engineering.

Where is Proximal based?

Proximal is based in San Francisco, United States, founded in 2025.

How much has Proximal raised?

Proximal has raised $15M in tracked funding and is currently at the seed stage.

Who has invested in Proximal?

Investors in Proximal include General Catalyst, Scribble Ventures, Hawk Hill Ventures and Freestyle Ventures.

Proximal — startup profile | Fusion42