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

Anthropic has claimed that members of OpenAI’s technical staff interacted with Claude Code in ways that violated its terms of ...

Anthropic has quietly rolled out Claude Opus 4.1, an incremental but significant upgrade to its Opus 4 language model, ...

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

"Claude Code has become the goto choice for coders everywhere, and so it was no surprise to learn OpenAI's own technical ...

The company crossed a line as OpenAI integrated Claude into its own systems to evaluate and benchmark the model, especially in categories like code generation, creative writing, and how Claude ...

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

Anthropic's Claude Opus 4.1 achieves 74.5% on coding benchmarks, leading the AI market, but faces risk as nearly half its $3.1B API revenue depends on just two customers.

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

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

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

Anthropic launched Claude Opus 4.1 today, an upgraded version of its flagship AI model that achieves 74.5% accuracy on ...