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

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

Anthropic cut off OpenAI’s ability to use its API for Anthropic models on Tuesday. The move followed Anthropic’s finding that OpenAI had violated its terms by accessing Anthropic’s tools in prohibited ...

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

Anthropic has cut off OpenAI's access to its Claude API, a move that comes after the former accused the latter of violating ...

OpenAI  has lost its access to the Claude API, just before the GPT 5 launch. The primary reason  behind this sudden move is ...

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- ...

Ask a chatbot if it’s conscious, and it will likely say no—unless it’s Anthropic’s Claude 4. “When I process complex ...

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

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

Anthropic has launched a powerful analytics dashboard for its Claude Code AI assistant, giving engineering leaders real-time insights into developer productivity, tool usage, and ROI on AI coding ...

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