OpenAI · llm model
GPT-6 Sol
GPT-6 Sol is an OpenAI language model released Sep 22, 2026; OpenAI's newest language model in our dataset is GPT-6.1 Terra. Proprietary, API access only. OpenAI's mid-priced GPT-6 reasoning model, released Sep 22, 2026 with GPT-6 Luna and the model behind paid ChatGPT Chat plans, per OpenAI. Verified against vendor sources on Oct 26, 2026.
Reported Last verified · All models · JSON · Markdown
- ReleasedSep 22, 2026
- LicenceProprietaryProprietary (API)
Key facts
| Fact | Value | Source |
|---|---|---|
| Vendor | OpenAI | n/a |
| Released | Sep 22, 2026 OpenAI API changelog: GPT-6 Sol and GPT-6 Luna released together. | source |
| Status | generally available | n/a |
| API id | gpt-6-sol | source |
| Input | text, image | source |
| Output | text | source |
| Licence | Proprietary (API) | source |
| Pricing | $2 in / $10 out per 1M tokens Standard pricing for prompts up to 272K input tokens; longer prompts cost more. | source |
Where GPT-6 Sol sits in our data
- Released Sep 22, 2026 (week 39 of 2026), in September 2026. Other models in our data released that month: GPT-6.1 Sol, Claude Sonnet 5.5, Claude Opus 5.5, Gemini 3.8 Flash TTS, Gemini 3.8 Flash-Lite TTS, GPT-6 Luna.
- The previous OpenAI model we track is GPT-Live 1 (Sep 10, 2026), 12 days earlier.
- OpenAI tools we cover: Codex CLI, ChatGPT, OpenAI Agents SDK.
- All releases by date: AI model releases by month · new AI models this week. Choosing for code: best LLM for coding.
How GPT-6 Sol differs from GPT-6.1 Sol
Read from the recorded facts of the two models, not from a head-to-head test. We have not run either.
- Listed price is the same as GPT-6.1 Sol: $2 in and $10 out (per 1M tokens).
- Both accept text, image as input.
- GPT-6 Sol came out 7 days before GPT-6.1 Sol.
- Facts for the other model: GPT-6.1 Sol.
Notes
- OpenAI says GPT-6 Sol powers ChatGPT Plus, Pro, Business and Enterprise Chat after the Oct 7, 2026 Intelligent UI rollout.
What we tested
Nothing yet. We have not run GPT-6 Sol ourselves, so every fact on this page is Reported from the sources below. When we do test it, the scope will be stated here and in our test logs. See methodology.
Not verified, left out
We could not confirm these on a vendor page, so we do not state them.
- Context window and maximum output for GPT-6 Sol were not captured separately.
Sources
More from OpenAI
- GPT-6.1 Sol (Sep 29, 2026)
- GPT-6 Luna (Sep 22, 2026)
- GPT-Live 1 (Sep 10, 2026)
- GPT-Image-2.5 Flare (Sep 8, 2026)
- GPT-Image-2.5 Sunburst (Sep 8, 2026)
- GPT-6 Astra (Sep 3, 2026)
- GPT-6.1 Terra (Oct 26, 2026)