LaunchAI ModelsJuly 9, 2026
OpenAI launches GPT-5.6 with Sol, Terra, Luna models
OpenAI launched GPT-5.6, including flagship Sol, cost-efficient Terra, and lightweight Luna. The models are available in the API, and Codex is now integrated into ChatGPT. GPT-5.6 Sol also solved a 50+ year old Erdős problem in mathematics.
15 sources
GPT-5.6: Frontier intelligence that scales with your ambitionopenai.com
Summary of METR's predeployment evaluation of GPT-5.6 Solmetr.org
RT @magicpatterns: GPT-5.6 from @OpenAI is live in Magic Patterns! Our early evaluations show...x.com
Introducing the next chapter for ChatGPTyoutube.com
Quoting OpenAIsimonwillison.net
What Is Recursive Self-Improvement in AI? How GPT-5.6 Soul Post-Trained Lunamindstudio.ai
OpenAI Previews GPT-5.6 With Sol, Terra, and Luna: Tiered Models, New Reasoning Modes, Limited Accessmarktechpost.com
OpenAI Rolls Out GPT-5.6—But Only for Some Users Due to Trump Admindecrypt.co