GPT-5.6 Sol Goes Public: OpenAI's Flagship Breaks Government Review with Record 91.9% Coding Score
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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 family—Sol, Terra, and Luna—marks 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…
1Key Takeaways
- 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 family—Sol, Terra, and Luna—marks 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.
2AIWedia Score
9.2/10
Must-read — high impact for AI builders
Based on source trust, recency, category impact, and story depth.
3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — AI reports that 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.
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