An OpenAI spokesperson said the API access allowed for industry-standard benchmarking and safety improvements.

OpenAI lost access to the Claude API this week after Anthropic claimed the company was violating its terms of service.

OpenAI was connecting Claude to internal tools that allowed the company to compare Claude’s performance to its own models in ...

Reportedly, Anthropic has restricted OpenAI from accessing the Claude API after noticing an apparent breach of the terms of ...

As reported by Wired, multiple sources claim that OpenAI has been cut off from Anthropic’s APIs. Allegedly, OpenAI was using ...

Anthropic has officially stopped OpenAI from using its Claude models. This decision came after reports revealed that OpenAI ...

Anthropic says it has revoked OpenAI's access to the Claude API after ChatGPT's engineers were found using Claude's coding ...

Anthropic has terminated OpenAI's API access to its Claude AI models, alleging violations of terms of service. OpenAI ...

OpenAI has launched a new large language model, GPT-5, but it may not have ruffled too many feathers this time ...

Anthropic cut off OpenAI’s ability to use its API for Anthropic models on Tuesday. The move followed Anthropic’s finding that ...

OpenAI CEO Sam Altman went so far as to call GPT-5 “the best model in the world.” That may be pride or hyperbole, as ...

Anthropic has revoked OpenAI’s access to its Claude family of models, according to a Wired report. OpenAI was connecting its ...