Phinity Labs Raises $5.2M Seed Led by Uncork Capital for Autonomous Chip Design

Phinity Labs Closes $5.2M Seed Round

Phinity Labs, a San Francisco-based applied research lab, has raised $5.2 million in seed funding. The round was led by Uncork Capital, with participation from Moxxie Ventures and Jeff Dean.

What Phinity Labs Does

Phinity Labs is building autonomous chip design: AI agents that architect, verify, and tape out custom silicon end to end. The company's stated goal is to turn a chip description into a GDS file in weeks rather than years.

Team and Background

Founders Sonya Jin and Aadi come from post-training and synthetic-data work on chip-design and code-reasoning LLMs at NVIDIA and AWS. The team includes former Intel custom-silicon and NVIDIA tapeout engineers.

Traction

Phinity Labs says it is already working with some of the largest foundation model labs and has reached an eight-figure annualized run rate.

Acquisition Relevance

The seed round provides Phinity Labs with capital to advance its autonomous chip design platform. For acquirers, the company offers a combination of AI-driven design automation and a team with deep experience in chip design, tapeout, and large language models. Its early traction with major foundation model labs and eight-figure annualized run rate suggest commercial validation.

The involvement of Jeff Dean, a prominent figure in AI, alongside Uncork Capital and Moxxie Ventures, signals strong investor confidence in the team and technology.

Key Facts

• Company: Phinity Labs
• Headquarters: San Francisco
• Round: Seed
• Amount: $5.2 million
• Lead Investor: Uncork Capital
• Other Investors: Moxxie Ventures, Jeff Dean
• Sector: AI for chip design, autonomous silicon
• Founders: Sonya Jin, Aadi
• Traction: Working with large foundation model labs; eight-figure annualized run rate