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

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

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

The new rate limits will go into effect August 28 for subscribers to Anthropic's $20-per-month Pro plan, as well as its $100- ...

Anthropic found that pushing AI to "evil" traits during training can help prevent bad behavior later — like giving it a ...

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

Anthropic has introduced weekly rate limits for its Claude chatbot focused on curbing excessive—and forbidden—usage of Claude ...

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 ...

Blaming users that run Claude Code 24/7, Anthropic instituted weekly rate limits for some Claude users resulting in backlash on social media.

Anthropic claims that OpenAI has been using Claude's coding tools to train its next-gen AI model, GPT 5.

The AI startup has announced new usage limits to curb users who are running its coding tool, Claude Code, excessively.