Model release · OpenAI
GPT-6 Sol
- Model released
- Review updated
Built for complex coding and agent tasks. Short-context API pricing is $2 for input and $10 for output per million tokens—about half the GPT-5.6 Sol promotional rate. Rolling out to paid Work/Codex plans; not yet available in regular Chat.
Details
Mid/high cost-efficiency GPT-6 tier built on Astra; ~50% cheaper than GPT-5.6 Sol promo ($4/$20→$2/$10; cached $0.20; cache writes $2.50; >272K input whole-request 2x input/cache & 1.5x output; Batch/Flex half; Fast 2x); complex coding/agents; reasoning.effort none…max; knowledge cutoff 2026-04-20
Availability
API gpt-6-sol; ChatGPT Work + Codex for Plus/Pro/Business/Enterprise/Edu (gradual rollout); not yet in Chat; Free/Go Sol not stated