AnalysisAI ModelsSeptember 28, 2026

GPT-6 Sol vs Sonnet 5.5: same cost per task, different ceilings

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Both models are priced identically at $2 per million input tokens and $10 per million output tokens, so cost per task hinges on token burn. At roughly $0.55 per task, Sol is the more efficient option while Sonnet 5.5 shows the higher ceiling, per a plot of Artificial Analysis Intelligence Index scores against cost per task across every effort level.

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