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.

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 has introduced new weekly rate limits on its Claude Code tool for AI assistance with coding tasks. The move comes ...

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

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

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

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

Behind Anthropic, you'll find OpenAI, which now has 25%; Google with 20%; and Meta Llama with 9%. All the way in the back, with a mere 1% you'll find DeepSeek, followed by the rest of the pack. Menlo ...

As large language models like Claude 4 express uncertainty about whether they are conscious, researchers race to decode their ...

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

Anthropic cut off OpenAI’s access to Claude through Anthropic’s application programming interface on Friday. The company said the move was because OpenAI was “using our coding tools ahead of the ...