OpenAI cuts GPT-5.6 Sol API pricing
OpenAI lowered GPT-5.6 Sol Standard short-context pricing to $4 per million input tokens and $20 per million output tokens, down 20% and 33%; the promotional pricing lasts at least through November 21, 2026.
What happened
Event details
OpenAI confirmed the GPT-5.6 Sol price reduction in its API changelog on August 21, 2026. The official pricing page lists Standard short-context rates of $4 input, $0.40 cached input, $5 cache writes, and $20 output per million tokens. Batch and Flex list $2 input and $10 output. Long context above 272K tokens, Fast mode, regional processing, and Amazon Bedrock use different billing schedules.
Assessment
Why it matters
A limited commercialization adjustment scored 38 under impact-v1: technical 0, market 2, ecosystem 1, policy/social 0, scope 2, duration 2.
Availability
Access notes
The new OpenAI API rates are live and promotional through at least November 21, 2026. Regional processing carries a 10% uplift, while Amazon Bedrock is billed by AWS and may differ.