# GPT-6 Sol

OpenAI



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
- Model released: Sep 22, 2026 · Date only
- Review updated: Sep 23, 2026 08:17 Wed · Beijing Time (UTC+8)

## Sources

- Source: https://developers.openai.com/api/docs/models/gpt-6-sol

Canonical entry: https://www.ailyre.com/source/?id=openai-gpt-6-sol&lang=en