GPT-5.6 API Launches With Three Variants
OpenAIDevs · x · 2026-07-10
OpenAI announced that GPT-5.6 is rolling out to the API with three sub-models: Sol is the flagship tailored for coding, knowledge work, cybersecurity, and science; Terra delivers near-GPT-5.5 performance at a lower cost; and Luna is the fastest and cheapest version optimized for high-throughput tasks.
Related event: OpenAI Launches GPT-5.6 Series: Multi-Agent and Cost-Efficiency(119 posts)→
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