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

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

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

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 ...

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

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

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

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 AI models for allegedly violating terms of service. This comes as OpenAI ...

Anthropic's Claude Opus 4.1 achieves 74.5% on coding benchmarks, leading the AI market, but faces risk as nearly half its $3.1B API revenue depends on just two customers.