Anthropic Cuts Off OpenAI's Access to Claude Over Terms Violation
By
minimaxir
A baker's-dozen of insight crammed into one ring.
Summary
Anthropic revoked OpenAI's API access to its Claude models, citing a violation of terms of service. OpenAI's technical staff reportedly used Claude's coding tools ahead of GPT-5's launch, which breached Anthropic's commercial terms.
Key quotes
· 2 pulledClaude Code has become the go-to choice for coders everywhere, and so it was no surprise to learn OpenAI's own technical staff were also using our coding tools ahead of the launch of GPT-5.
Unfortunately, this is a direct violation of our terms of service.
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