GPT-5.6 Sol Goes Public: OpenAI's Flagship Breaks Government Review with Record 91.9% Coding Score
After weeks of government review and a tightly controlled preview, OpenAI's flagship model GPT-5.6 Sol has finally gone public as of July 9, 2026. The model familyβSol, Terra, and Lunaβmarks OpenAI's most ambitious relea
After weeks of government review and a tightly controlled preview, OpenAI's flagship model GPT-5.6 Sol has finally gone public as of July 9, 2026. The model familyβSol, Terra, and Lunaβmarks OpenAI's most ambitious release yet.
Key Takeaways
- Sol (Flagship): $5/$30 per million tokens. 91.9% on TerminalBench 2.1, 96.7% on CTF cybersecurity benchmarks
- Terra (Balanced): $2.50/$15 per million tokens. Matches GPT-5.5 and Sonnet 5 performance
- Luna (Efficient): $1/$6 per million tokens. Designed for high-volume workloads
Government Review
The US government requested OpenAI hold back the public release after previewing Sol's unprecedented cybersecurity capabilities. After 12 days of controlled preview with ~20 vetted partners, OpenAI received clearance for a controlled public release.
What This Means
The three-tier pricing strategy opens new flexibility for developers and enterprises. All three models carry OpenAI's "High" risk classification for cybersecurity and biological/chemical capabilities.
Read the full article on GetYourDozAi
Written by Hamza Chahid.
Originally published by Dev.to AI. Aggregated on AIWithGhost for educational purposes β full credit and traffic to the original publisher.