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Anthropic cuts off OpenAI’s access to its Claude models


Anthropic has cut off one of its biggest competitors, revoking OpenAI’s access to its Claude family of AI models.

Anthropic has revoked OpenAI’s access to its Claude family of AI models, according to a report in Wired. In a statement to Wired, an Anthropic spokesperson said, “OpenAI’s own technical staff were also using our coding tools ahead of the launch of GPT-5,” which is apparently “a direct violation of our terms of service.” (Anthropic’s commercial terms forbid companies from using Claude to build competing services.) However, Anthropic also said it would continue to give OpenAI access for “benchmarking and safety evaluations.”

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