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

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 ...

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

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

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

Discover how GPT-5 and Claude Sonnet compare in coding tasks, from speed to precision and costs per token, in this ultimate ...

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

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

Anthropic blocks OpenAI from using its Claude model, citing terms of service violations tied to GPT-5 development.