§ models · storyline
Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5.6 Sol, a next-generation model with stronger coding, science, and cybersecurity capabilities alongside an updated safety stack.
OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
§ sources5 publications · timeline below
- openai.comPreviewing GPT-5.6 Sol: a next-generation modelprimary
- the-decoder.comOpenAI's GPT-5.6 Sol launches to rival Claude Mythos under government access rules it calls unsustainable
- openai.comGPT-5.6 Sol matches Mythos Preview on ExploitBench, adds Ultra mode with subagents for complex workflows, and max reasoning for deep problem-solving (OpenAI)
- wsj.comOpenAI hopes to make GPT-5.6 generally available in the coming weeks and says "this kind of government access process" should not become the long-term default (Amrith Ramkumar/Wall Street Journal)
- axios.comOpenAI releases three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to ~20 companies, with participants disclosed to the US government (Axios)
§ how this story moved
- primary — OpenAI — Blog publishes the launch post.
- Axios picks up coverage.
- WSJ picks up coverage.
- OpenAI picks up coverage.
- The Decoder picks up coverage.