§ safety · storyline
OpenAI's GPT-5.5 outperforms Anthropic's Mythos model
OpenAI releases GPT-5.5, which outperforms Anthropic's Mythos model.
OpenAI's GPT-5.5 Cyber AI Beats Anthropic's Banned Mythos Model—And Nobody's Shutting It Down Yahoo Tech
§ sources2 publications · timeline below
§ how this story moved
- primary — Crypto Briefing publishes the launch post.
- Yahoo Tech picks up coverage.