Deprecations

Models leave the catalog on a published date. Until that date, migrate to the replacement. After it, requests to the old model ID return an error that names the replacement.

Major changes are also announced on the Changelog.

Upcoming

Model	Retirement date	Suggested replacement
GLM 5.2	2026-11-30	GLM 5.3
GPT-5.6 Luna	2026-11-30	GPT-6 Luna
Claude Sonnet 5	2026-11-30	Claude Sonnet 5.5
Claude Opus 5	2026-11-30	Claude Opus 5.5
Claude Fable 5	2026-11-30	Claude Fable 5.1
Gemini 3.1 Pro (≤200k / >200k)	2026-11-30	Gemini 4 Argon
Mistral Medium 3	2026-11-30	Mistral Small 4
Gemini 3 Flash	2026-11-30	Gemini 3.8 Flash

Retired

Models that have already left the catalog. New requests targeting these model IDs return an error.

Model	Retired	Replacement at retirement
GPT-5 nano / GPT-5 mini / GPT 5.4 mini	2026-10-31	GPT-6 Luna
GPT-5 / GPT-5 Codex / GPT 5.4 / GPT 5.5	2026-10-31	GPT-6.1 Sol
Claude 4.5 Haiku / Claude 4.6 Sonnet	2026-10-31	Claude Sonnet 5.5
Claude 4.6 Opus / Claude Opus 4.8	2026-10-31	Claude Opus 5.5
Gemini 3 Pro (≤200k / >200k)	2026-10-31	Gemini 3.1 Pro (≤200k / >200k); now Gemini 4 Argon
Mistral Large 2411	2026-10	—
Llama 3.3 70B	2026-09-01	GPT-OSS 120B
Claude 4.5 Sonnet	2026-09-01	Claude Sonnet 5.5
Claude 4.5 Opus	2026-09-01	Claude Opus 5.5
Mistral Small 3	2026-08-01	Mistral Small 4
Qwen3-VL	2026-08-01	Qwen3.6 35B
Qwen3 Coder	2026-08-01	Qwen3.6 35B
Qwen3-Next	2026-08-01	Qwen3.6 35B
GPT-4.1 / GPT-4.1 mini / GPT-4.1 nano	2026-08-01	GPT-6 Luna
GPT-4o / GPT-4o mini	2026-08-01	GPT-6.1 Sol
GPT Image 1	2026-08-01	GPT-Image-2
GPT-5.2	2026-08-01	GPT-6.1 Sol
o1 / o1-mini / o3 / o3-mini / o4-mini	2026-08-01	GPT-6.1 Sol
Claude 3.7 Sonnet, Claude 4 Sonnet	2026-08-01	Claude Sonnet 5.5
Gemini 2.5 Flash / Flash Image / Pro	2026-08-01	Gemini 3.5 Flash / Gemini 3 Pro Image / Gemini 4 Argon

If a listed replacement has since been scheduled for retirement, see Upcoming or All models.

Discontinued features

Visual RAG is no longer offered.

Feature	Discontinued	Replacement
Visual RAG	—	—