Jigsaw

a16z speedrun

Website: jigsaw.build.

X: @usejigsaw · 34,892 followers.

LinkedIn: linkedin.com.

Sectors: AI Models / Research, AI Infra.

Based in: San Francisco, United States.

Founded: 2025.

Team: 3 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@usejigsaw · created Sep 12, 2025 (14 months old) · 34,892 followers

Website registeredMay 24, 2025 (18 months old)

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/jigsaw (get a free API key).