GPT-5.6 Sol reduces input and output pricing by up to 33%
August 22, 2026
GPT-5.6 Sol features $4 per 1M input tokens and $20 per 1M output tokens, representing a 20% drop in input and 33% drop in output costs compared to GPT-5.5. The model supports a 1.05M context window and adjustable reasoning effort levels from none to max.
HOW THIS AFFECTS YOU
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builderYou can deploy more complex reasoning workflows at a lower unit cost.
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founderLower inference costs improve your gross margins for agentic applications.