Accelerator
Y Combinator
The accelerator behind Airbnb, Stripe and thousands of startups on this map.
About
Y Combinator is a builder community based in San Francisco, United States. The accelerator behind Airbnb, Stripe and thousands of startups on this map.
Companies in San Francisco
AnthropicLab$965bnMafia
Safety-focused lab building the Claude models.
San Francisco, United States
OpenAILab$852bn
Frontier model lab behind GPT and ChatGPT.
San Francisco, United States
Databricks$190bn
American technology company.
San Francisco, United States
Stripe$159bnHiring
Economic infrastructure for the internet.
San Francisco, United States
Cognition AI$48bn
Artificial Intelligence. Valued at $48bn (September 2026).
San Francisco, United States
Scale AI$29bnHiring
Data-centric infrastructure to accelerate the development of AI
San Francisco, United States
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