Sam Altman said that OpenAI's new GPT-oss, comprising a 120b and 20b version, is the "best and most usable open model in the ...

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

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 ...

Cerebras Systems today announced inference support for gpt-oss-120B, OpenAI’s first open-weight reasoning model, now running ...

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

Anthropic, on Tuesday, announced a new version of its AI model, the Claude Opus 4.1, just as rival OpenAI is getting close to ...

Anthropic has revoked OpenAI’s access to its Claude family of models, according to a Wired report. OpenAI was connecting its ...

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