An OpenAI spokesperson said the API access allowed for industry-standard benchmarking and safety improvements.

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

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

OpenAI was connecting Claude to internal tools that allowed the company to compare Claude’s performance to its own models in ...

Reportedly, Anthropic has restricted OpenAI from accessing the Claude API after noticing an apparent breach of the terms of ...

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

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 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 ...

The two new models from OpenAI are available under the Apache 2.0 license, a popular choice for open-weight models. With ...

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