Published May 18, 2026 at 7:27 PM
TechCrunch
May 19, 2026, 6:00 AM
Anthropic has acquired the dev tools startup used by OpenAI, Google, and Cloudflare
Stainless, a New York-based startup, founded in 2022, rose to prominence in the emerging AI industry for automating the creation and maintenance of software development kits, or SDKs — the libraries developers use to interact with APIs.
Canonical URL for this story: https://techcrunch.com/2026/05/18/anthropic-has-acquired-the-dev-tools-startup-used-by-openai-google-and-cloudflare/