Anthropic Acquires SDK Platform Stainless for at Least $300M, Locking Out OpenAI and Google
Anthropic has acquired Stainless, the SDK generation platform that builds official developer libraries for OpenAI, Google, and Cloudflare, in a deal reportedly worth over $300 million. The acquisition immediately removes a critical infrastructure layer from competitors, forcing them to rebuild their SDK pipelines while Anthropic gains full control of the tooling that powers API integrations across the AI industry.
May 19