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

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

Anthropic, the company behind Claude AI, recently made a bold decision. The company has revoked OpenAI’s API access to its models, accusing the company of violating its terms of service.

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

Anthropic holds 32% of enterprise LLM market share by usage. This is a sharp reversal from just two years ago when OpenAI ...

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

Anthropic has revoked OpenAI’s access to its Claude AI models, citing policy violations related to GPT-5 testing. Anthropic ...

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

According to a report from Anthropic investor Menlo Ventures, the AI company is gaining ground on OpenAI among business ...

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

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 ...

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