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OpenAI · AI API · Model API

OpenAI GPT-5.6 Sol API

OpenAI GPT-5.6 Sol currently costs US$4.00 per 1M input tokens, US$0.40 per 1M cached-input tokens, and US$20.00 per 1M output tokens on the native OpenAI API; OpenAI says this promotional pricing is available at least through November 21, 2026. The model has a 1.05M-token context window and 128K maximum output, with higher rates for requests above 272K input tokens.

DEAL SCORE84Current-offer attractiveness
INPUT / 1M$4Native listed metric
OUTPUT / 1M$20Native listed metric
Pricing

Pricing details

Secondary price terms only; primary pricing stays in the deal summary.

CACHED / 1M$0.40When available
Fit & constraints

Fit & constraints

Use-case fit and limitations from the existing resource record.

AVAILABILITY

Available

Resource facts

Technical profile

Non-price resource facts only; pricing, history, and evidence stay in their own sections.

CONTEXT1.05M
AI MODELGPT-5.6 Sol
Trust layer

Verified evidence

Decision visuals remain traceable to the existing source and verification record.

Verified
EvidenceOfficial

Independent ranking · native prices · evidence-linked · commercial relationships isolated from scoring and publication.