GPT-6 Sol
GPT‑6 Sol is a cost‑efficient member of the GPT‑6 family that applies the training methods and alignment advances introduced with GPT‑6 Astra to deliver strong professional, coding, factuality, and computer‑use capabilities at lower cost. It is available via the OpenAI API (gpt-6-sol) and in ChatGPT Work and Codex for paid tiers, with infrastructure improvements for higher prompt‑cache hit rates.
What it does
Use it in ChatGPT for everyday questions, including questions that benefit from web search or progressive answers.
- Availability
- Rolling out globally to ChatGPT Plus, Pro, Business and Enterprise tiers; Enterprise availability depends on workplace admin settings
- Pricing model
- Included with ChatGPT Plus, Pro, Business and Enterprise tiers
- Deployment
- GPT-6 in ChatGPT
- Privacy
- Not established
- Licence
- Not established
Capability
Modality
Access
Deployment
Pricing
Target user
Evidence
10 claims- GPT-6 Sol is available in the OpenAI API as gpt-6-sol. [1] [2]
In the OpenAI API, they are available as `gpt-6-sol` and `gpt-6-luna`.
OpenAI. Quoted text is outside CC BY 4.0 and keeps its original rights. - GPT-6 Sol is available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users. [1]
GPT‑6 Sol and GPT‑6 Luna are available in ChatGPT Work and Codex starting today for all Plus, Pro, Business, Enterprise, and Edu users.
OpenAI. Quoted text is outside CC BY 4.0 and keeps its original rights. - GPT-6 Sol API pricing is $2 per 1 million input tokens and $10 per 1 million output tokens. [1] [2] [4]
- GPT-6 Sol at xhigh effort scores 33.2% on AutomationBench 1.0.6. [1]
On **AutomationBench,** a test of business workflows across apps, GPT‑6 Sol at xhigh effort outperforms Claude Opus 5 at max effort at just 9% of Opus 5’s cost per task.
OpenAI. Quoted text is outside CC BY 4.0 and keeps its original rights. - GPT-6 Sol at xhigh effort achieves 60.5% on OSWorld 2.0 offline. [1]
On **OSWorld 2.0 offline**, GPT‑6 Sol at xhigh effort achieves a similar score to Claude Opus 5 at medium effort—60.5% versus 60.3%—at approximately 80% lower cost per task.
OpenAI. Quoted text is outside CC BY 4.0 and keeps its original rights. - GPT-6 Sol powers GPT-6 in ChatGPT for Plus, Pro, Business, and Enterprise tiers. [3]
GPT‑6 in ChatGPT is powered by GPT‑6 Sol for Plus, Pro, Business, and Enterprise tiers, and GPT‑6 Luna for Free and Go tiers.
OpenAI. Quoted text is outside CC BY 4.0 and keeps its original rights. - GPT-6 can interleave thinking with answering and progressively compose an answer.
- For questions that need web search, GPT-6 Instant starts answering 44% sooner on average than GPT-5.6 Instant.
- GPT-6 makes better decisions about when to look something up and more reliably finds information that supports its answer.
- Enterprise availability depends on workplace admin settings.
Sources
4
1
OpenAIOwner-controlled
https://openai.com/index/introducing-gpt-6-sol-and-luna
Retrieved 2026-10-28 00:15 UTC
Verified
2
OpenAIOwner-controlled
https://developers.openai.com/api/docs/changelog#2026-09-22
Retrieved 2026-10-28 00:15 UTC
Verified
3
Verified
4
MicrosoftReputable independent
https://azure.microsoft.com/en-us/blog/gpt-6-astra-sol-and-luna-for-production-agents-in-microsoft-foundry/
Retrieved 2026-10-28 00:15 UTC
Verified
Versions
32| Version | Effective | Change | Changed fields | State |
|---|---|---|---|---|
| 32 | 2026-10-28 00:15 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 31 | 2026-10-28 00:15 UTC | material change | access, availability, pricing model | Current |
| 30 | 2026-10-26 01:24 UTC | evidence update | score | Current |
| 29 | 2026-10-26 01:24 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 28 | 2026-10-25 01:21 UTC | material change | capability, modality, pricing, availability, pricing model, deployment | Current |
| 27 | 2026-10-25 01:21 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 26 | 2026-10-24 01:52 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 25 | 2026-10-24 01:52 UTC | material change | access, availability, pricing model | Current |
| 24 | 2026-10-23 01:46 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 23 | 2026-10-22 01:53 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 22 | 2026-10-20 03:38 UTC | material change | access, availability, pricing model | Current |
| 21 | 2026-10-19 04:38 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 20 | 2026-10-18 05:28 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 19 | 2026-10-17 06:27 UTC | evidence update | score | Current |
| 18 | 2026-10-16 07:22 UTC | evidence update | score | Current |
| 17 | 2026-10-15 08:14 UTC | material change | access, availability, pricing model | Current |
| 16 | 2026-10-14 09:06 UTC | material change | access, availability, pricing model | Current |
| 15 | 2026-10-13 09:58 UTC | material change | access, availability, pricing model | Current |
| 14 | 2026-10-12 10:55 UTC | material change | access, availability, pricing model | Current |
| 13 | 2026-10-11 11:48 UTC | material change | access, availability, pricing model | Current |
| 12 | 2026-10-10 12:44 UTC | material change | access, availability, pricing model | Current |
| 11 | 2026-10-08 14:32 UTC | material change | access, availability, pricing model | Current |
| 10 | 2026-10-07 15:30 UTC | material change | access, availability, pricing model | Current |
| 9 | 2026-10-06 16:29 UTC | material change | access, availability, pricing model | Current |
| 8 | 2026-10-05 17:26 UTC | material change | access, availability, pricing model | Current |
| 7 | 2026-10-04 18:21 UTC | material change | access, availability, pricing model | Current |
| 6 | 2026-10-03 19:18 UTC | material change | access, availability, pricing model | Current |
| 5 | 2026-10-02 20:14 UTC | material change | access, availability, pricing model | Current |
| 4 | 2026-10-01 06:48 UTC | evidence update | pricing offers | Current |
| 3 | 2026-09-29 22:54 UTC | material change | capability, pricing model, deployment | Current |
| 2 | 2026-09-25 03:19 UTC | material change | capability, modality, access, pricing, availability, pricing model, deployment | Current |
| 1 | 2026-09-24 04:13 UTC | publication | None | Current |
In briefs
2- Backburner leads 25 AI developments in week 40, 2026 Weekly brief 2026-W40
- Perplexity introduces a decision model fine-tuned from Qwen3.8-27B Daily brief 2026-10-01
Original catalog content is licensed under CC BY 4.0, attributed to wowsuchai. Source quotations and linked content keep their original rights.