LaunchAI ModelsJuly 9, 2026
OpenAI launches GPT-5.6 Sol, Luna, Terra models
GPT-5.6 Luna/Terra/Sol are priced at $1/$6, $2.50/$15, $5/$30 per 1M tokens. Sol sets a new SOTA on ARC-AGI-3 with 7.8% and is 54% more token efficient on agentic coding tasks. Sol Ultra reaches up to 750 tokens/s on Cerebras hardware.
15 sources
RT @arcprize: GPT-5.6 Sol sets a new SOTA on ARC-AGI-3: 7.8% Sol is the first verified frontier...x.com
The new GPT-5.6 family: Luna, Terra, Solsimonwillison.net
[AINews] OpenAI GPT-5.6 Sol / Terra / Luna — restricted to trusted partnerslatent.space
OpenAI Announces, But Is Blocked From Releasing, New GPT-5.6 Modelsopenai.com
What Is GPT-5.6 Soul, Terra, and Luna? OpenAI's Three-Tier Model System Explainedmindstudio.ai
OpenAI is so back... GPT 5.6 Sol first lookyoutube.com
GPT-5.6 Sol Ultra produces proof of the Cycle Double Cover Conjecture [pdf]cdn.openai.com
Look at that !! Scientist early tester on GPT-5.6 Solreddit.com