Anthropic blocks OpenAI’s access to Claude
Anthropic has cut off OpenAI’s access to its Claude AI models after it was revealed that OpenAI had used them to compare performance with its own models ahead of the GPT-5 launch.
Anthropic has cut off OpenAI’s access to its Claude AI models after it was revealed that OpenAI had used them to compare performance with its own models ahead of the GPT-5 launch.