Active
Fully supported. No retirement date announced.
Deprecating
Still callable, but a retirement date is set. Migrate before that date.
Retired
No longer callable. Requests return 404 model_retired.
Model Retirements
Models get retired when the upstream provider shuts them down or replaces them. Everything scheduled and everything already gone is listed here, with the date calls stop working and what to move to.
Author
Upcoming retirements
| Model | Author | Status | Announced | Retirement date | Replacement |
|---|---|---|---|---|---|
| GPT 3.5 Turbo 1106 | OpenAI | Deprecating | 2026-09-02 | 2026-09-28 | GPT 5.6 Terra |
| GPT 3.5 Turbo Instruct | OpenAI | Deprecating | 2026-09-02 | 2026-09-28 | GPT 5.6 Terra |
| GPT 3.5 Turbo | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Terra |
| GPT 4 | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Sol |
| GPT 4 0613 | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Sol |
| GPT 4 1106 Preview | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Sol |
| GPT 4 Turbo | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Sol |
| GPT 4 Turbo 2024 04-09 | OpenAI | Deprecating | 2026-09-02 | 2026-10-23 | GPT 5.6 Sol |
| Gemini 3 Pro Image Preview | Deprecating | 2026-09-02 | — | Gemini 3 Pro Image | |
| Gemini 3.1 Flash Image Preview | Deprecating | 2026-09-02 | — | Gemini 3.1 Flash Image | |
| Imagen 4.0 Fast Generate 001 | Deprecating | 2026-09-02 | — | Gemini 3.1 Flash Image | |
| Imagen 4.0 Generate 001 | Deprecating | 2026-09-02 | — | Gemini 3.1 Flash Image | |
| Imagen 4.0 Ultra Generate 001 | Deprecating | 2026-09-02 | — | Gemini 3.1 Flash Image |
Retired
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