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OpenAI launched GPT-5.6 Sol, Terra, and Luna — ModelPriceLab

Changes/OpenAI launched GPT-5.6 Sol, Terra, and Luna

ImportantOpenAINew Launchgpt-5.6-solPublished

OpenAI launched GPT-5.6 Sol, Terra, and Luna

OpenAI released three GPT-5.6 API tiers: Sol at $5/$30, Terra at $2.50/$15, and Luna at $1/$6 per 1M input/output tokens. All three expose large context windows and cached-input pricing at 10% of uncached input.

Jul 9, 2026Views:2Effective: Jul 9, 2026

Impact Assessment

Cost5

Reliability2

Migration3

Quality5

Compliance2

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announcement

GPT-5.6: Frontier intelligence that scales with your ambition

OpenAI lists Sol at $5/$30, Terra at $2.50/$15, and Luna at $1/$6 per 1M input/output tokens.

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