Anthropic in Advanced Talks to Acquire Stainless
Anthropic is reportedly in advanced talks to acquire Stainless, an SDK startup serving Google and OpenAI. The deal could value Stainless at over $300 million according to The Information.

The deal could value Stainless at over US$300 million, according to The Information. The report preserves this attribution and does not present the valuation as confirmed by the companies involved.
The story was written by Lily Hess for DIGITIMES Asia and published May 13, 2026 at 15:22 from Taipei. The source material provides no additional details on timelines, terms or confirmation of a signed agreement.
Stainless is described strictly as an SDK startup serving Google and OpenAI. No further information on its founding, funding history, employee count or specific products appears in the source.
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