LaunchAI ModelsJuly 9, 2026
OpenAI launches GPT-5.6 family: Sol, Terra, Luna
OpenAI released GPT-5.6 with three models: Sol, Terra, and Luna. Luna outperforms GPT-5.5 at highest reasoning while costing 25x less. The models roll out across ChatGPT, Codex, and the API globally over 24 hours.
15 sources
Previewing GPT-5.6 Sol: a next-generation modelopenai.com
Summary of METR's predeployment evaluation of GPT-5.6 Solmetr.org
RT @OpenAIDevs: GPT-5.6 is here. Codex is now available inside ChatGPT. And we know developers will...x.com
Meet GPT-5.6youtube.com
OpenAI's newest AI model is 54% more token efficient on agentic coding, Altman tells CNBCcnbc.com
GPT 5.6 Has 72 Possible Configurations. What's A Good Default?sebastianraschka.com
OpenAI says GPT 5.6 is the ‘preferred model’ for Microsoft Copilot amid breakup chattertechcrunch.com