Anthropic Acquires Developer Tools Startup Stainless Backed By Sequoia Capital And Andreessen Horowitz

Anthropic has acquired Stainless, a developer tools startup, in a transaction where terms were not disclosed, but prior talks valued the deal at over $300 million. The acquisition involves the winding down of Stainless’s hosted products, including its SDK generator, while allowing existing customers to retain and modify SDKs they have already created.

Summary of transaction details:

• Deal Type: Acquisition
• Transaction Amount: Over $300 million
• Company Name: Stainless
• Headquarters Location: San Francisco, California
• Notable Investors: Sequoia Capital, Andreessen Horowitz
• Founded: 2022
• Founder: Alex Rattray

Stainless is known for its software that automatically generates and maintains SDKs across multiple programming languages from API specs. The company was founded by former Stripe engineer Alex Rattray and has been utilized by major companies like OpenAI, Google, and Cloudflare.