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simon_willison · Jul 9, 2026 · news
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The new GPT-5.6 family: Luna, Terra, Sol
simonwillison.netJul 9, 2026
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In brief
OpenAI's latest flagship model hit general availability this morning , and comes in three sizes: Luna, Terra, and Sol (from smallest to largest). The new models are priced per 1M input/output tokens as Luna $1/$6, Ter...
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