OpenAI has officially launched the GPT-5.6 family, featuring Sol, Terra, and Luna models that deliver stronger coding, scientific reasoning, cybersecurity, and enterprise knowledge work while using fewer tokens and reducing inference costs.
The release introduces Programmatic Tool Calling, multi-agent capabilities, and new reasoning modes including Max and Ultra for complex workflows. GPT-5.6 also improves computer use, document creation, spreadsheets, and presentation generation while strengthening safety protections through enhanced evaluations and layered safeguards.
OpenAI positions GPT-5.6 as its most efficient frontier model family to date, balancing higher intelligence, lower latency, and better cost efficiency across enterprise and developer workloads.
