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[ARTICLE · art-13616] src=thenewstack.io ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Anthropic’s $300M Stainless deal lands hardest on OpenAI and Google

Anthropic acquired New York-based startup Stainless for $300 million, securing the software that generated SDKs for major AI companies including Anthropic itself. The deal directly impacts competitors OpenAI and Google, which relied on Stainless’s technology for their own AI development tools.

read1 min views27 publishedMay 23, 2026

Earlier this week, Anthropic acquired Stainless, the New York startup whose software generated SDKs for major AI companies, including Anthropic,

The post Anthropic’s $300M Stainless deal lands hardest on OpenAI and Google appeared first on The New Stack.

source & further reading
thenewstack.io — original article Most coding agent benchmarks skip large-scale refactoring. Not this one. OpenRouter called itself the “Stripe for LLMs” — now Stripe’s swooped in to buy it “The opening stages of OpenAI’s unraveling”: OpenAI slows model training — not everyone is buying the explanation
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