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← Back to all updatesPublished ·OpenAI◆ Critical
OpenAI modelcard removed guidance naming GPT-5.6 Sol, Terra, and Luna.
The read
Model selection agents using that page lose the displayed GPT-5.6 recommendation text.
The frame
The removed text tied Sol to complex reasoning and coding, Terra to balanced cost, and Luna to high-volume workloads.
Primary source
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