Anthropic says OpenAI staff used Claude Code ahead of GPT-5 launch and it will continue providing API access to OpenAI for benchmarking and safety evaluations
Anthropic says it has revoked OpenAI's access to the Claude API after ChatGPT's engineers were found using Claude's coding tools.
@aidan_mclau This take is sad to see but you might not have full context. We cut OpenAl's access for violating our APl terms and for the heavy usage of Claude Code among OAI tech staff. We're going to continue providing API access for safety evals and benchmarking. That's importa…