OpenAI ships GPT-5.6 in three tiers, undercuts Claude on price

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In this episode, we cover OpenAI shipping GPT-5.6 in three tiers—Sol, Terra, and Luna—with pricing that starts at $5/$30, $2.50/$15, and $1/$6 per million tokens. We also look at how that undercuts Claude Fable 5’s $10/$50 pricing and why cheaper frontier models could shift developer demand.

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