WhichBot › What replaced it › What replaced GPT-4 Turbo?
Last checked Oct 28, 2026 · plain English · no paid picks
What replaced GPT-4 Turbo?
Short answer: OpenAI named GPT-5.6 Sol. GPT-4 Turbo shut down on Oct 23, 2026. OpenAI's newest main model in our directory is GPT-6.1 Sol.
What to do: If something you use broke on Oct 23, it may have been built on GPT-4 Turbo. Developers should move to a current model such as GPT-6.1 Sol.
The facts
| Old | GPT-4 Turbo |
|---|---|
| Status | Retired. Developer service shut down Oct 23, 2026 (OpenAI moved it to Past retirement list) |
| Replaced by | GPT-5.6 Sol |
| Official source | platform.openai.com |
| Last checked | Oct 28, 2026 |
Current options at a glance
| GPT-6.1 Sol | |
|---|---|
| What it is | OpenAI's main model on paid ChatGPT plans |
| Made by | OpenAI |
| Price | Developer price: $2 in and $10 out per million tokens |
| Good at | Reads up to 1,050,000 tokens at once; Reads: text, image, PDFs |
| Where it runs | ChatGPT Plus/Pro |
| Status | Current |
| Sources | chatgpt.com · models.dev |
Related pages
- Alternatives to GPT-6.1 Sol
- Claude Opus 5.5 vs GPT-6.1 Sol
- GPT-6.1 Sol vs Gemini 4 Argon
- Grok 4.7 vs GPT-6.1 Sol
- What replaces GPT-4o?
- What replaces GPT-4.1?
- What replaces o3?
- What replaced o4-mini?
- What replaced GPT-5.5?
- What replaces GPT-5.1?
Questions people ask
What replaced GPT-4 Turbo?
OpenAI named GPT-5.6 Sol. GPT-4 Turbo shut down on Oct 23, 2026. OpenAI's newest main model in our directory is GPT-6.1 Sol.
What should I do if I used GPT-4 Turbo?
If something you use broke on Oct 23, it may have been built on GPT-4 Turbo. Developers should move to a current model such as GPT-6.1 Sol.
Does GPT-4 Turbo still work?
Retired. Developer service shut down Oct 23, 2026 (OpenAI moved it to Past retirement list)
Facts come from the companies' own pages, linked above, and were last checked Oct 28, 2026. Prices are US and can change. Picks are Hector's: no paid picks, sponsors always labeled, and no sponsorship from AI labs. Our policy.