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

OpenAI ChatGPT vs Anthropic Claude for Coding: I Tested Both on Real Projects with Surprising Results ...

Anthropic has officially stopped OpenAI from using its Claude models. This decision came after reports revealed that OpenAI ...

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

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

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

Anthropic, the company behind Claude AI, recently made a bold decision. The company has revoked OpenAI’s API access to its ...

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

Anthropic has revoked OpenAI's access to its AI models for allegedly violating terms of service. This comes as OpenAI ...

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 AI models, citing policy violations related to GPT-5 testing. Anthropic ...