OpenAI: GPT 5.6 Sol price reduction (until at least Nov 21)
OpenAI has announced a temporary price reduction for its GPT-5.6 Sol model, effective through November 21, 2026. The update includes new pricing tiers for batch, short context, and long context processing.
Why it matters
Price fluctuations in foundational AI models directly impact the operational costs for businesses and developers building applications on top of OpenAI's infrastructure.
Our latest models Prices per 1M tokens. Standard Batch Flex Fast mode Standard Short context Long context Model Input Cached input Cache writes Output Input Cached input Cache writes Output gpt-5.6-sol $4.00 $0.40 $5.00 $20.00 $8.00 $0.80 $10.00 $30.00 gpt-5.6-terra $2.00 $0.20 $2.50 $12.00 $4.00 $0.40 $5.00 $18.00 gpt-5.6-luna $0.20 $0.02 $0.25 $1.20 $0.40 $0.04 $0.50 $1.80 Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026, that are eligible for data residency. See our Your data guide for supported regions and processing details. OpenAI models in Amazon Bedrock are billed through AWS and may differ from direct OpenAI pricing. Priority processing was renamed Fast mode on July 30, 2026. You can use either service_tier: "priority" or service_tier: "fast" in your API requests. Learn more about Fast mode .
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