GPT-5.6 Sol, Terra, and Luna are here. See which ones best for you.
THE SO WHAT
A split GPT-5.6 family — Sol, Terra, Luna — is another step toward model portfolios tuned for cost, latency, and domain rather than a single flagship. If you’re standardizing on one vendor, assume your internal routing layer becomes the real product: matching use cases to the right model SKU is now a core optimization problem.
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