BREAKING
OpenAI Launches GPT-5.6 Family
Three Tiers: Sol, Terra, Luna
Sol
flagship
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Top intelligence
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Orchestrator role
Terra
balanced
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Fast and cheap
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Everyday tasks
Luna
low-cost
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Budget tier
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Routine work
Terminal-Bench 2.1 Scores
Sol
88.8
Terra
84.3
Luna
82.5
Sol Ultra Tops Rivals
Sol Ultra
91.9
Mythos 5
88
GPT-5.5
83.4
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Live on ChatGPT, Codex and API
AI NEWS BLITZ
OpenAI has begun general availability of its new GPT-5.6 models: Sol, Terra and Luna.