# AI models retired or deprecated in October 2026

Published 2026-11-01 · covers October 2026

49 models have a retirement date inside the next four months as of October 2026. Each row is sourced from the provider’s own deprecation notice. Which AI models are being retired? Provider Model Shutdown Replacement Anthropic claude-opus-4-5-20251101 2026-11-24 — Anthropic claude-sonnet-4-5-20250929 2026-11-30 claude-sonnet-5-5 OpenAI gpt-image-1-mini 2026-12-01 gpt-image-2.5-sunburst or gpt-image-2.5-flare OpenAI gpt-image-1.5 2026-12-01 gpt-image-2.5-sunburst or gpt-image-2.5-flare OpenAI chatgpt-image-latest 2026-12-01 gpt-image-2.5-sunburst or gpt-image-2.5-flare OpenAI gpt-image-1.5-2025-12-16 2026-12-01 gpt-image-2.5-sunburst or gpt-image-2.5-flare OpenAI gpt-5 2026-12-11 gpt-5.6-sol OpenAI gpt-5-mini 2026-12-11 gpt-5.6-terra OpenAI gpt-5-nano 2026-12-11 gpt-5.6-luna OpenAI gpt-5-pro 2026-12-11 gpt-5.6-sol (reasoning.mode: pro) OpenAI o3 2026-12-11 gpt-5.6-sol OpenAI o3-pro 2026-12-11 gpt-5.6-sol (reasoning.mode: pro) OpenAI gpt-5-2025-08-07 2026-12-11 gpt-5.6-sol OpenAI gpt-5-mini-2025-08-07 2026-12-11 gpt-5.6-terra OpenAI gpt-5-nano-2025-08-07 2026-12-11 gpt-5.6-luna OpenAI gpt-5-pro-2025-10-06 2026-12-11 gpt-5.6-sol (reasoning.mode: pro) OpenAI o3-2025-04-16 2026-12-11 gpt-5.6-sol OpenAI o3-pro-2025-06-10 2026-12-11 gpt-5.6-sol (reasoning.mode: pro) OpenAI tts-1 2027-01-06 gpt-realtime-2.1-mini OpenAI tts-1-hd 2027-01-06 gpt-realtime-2.1-mini OpenAI gpt-4o-mini-tts 2027-01-06 gpt-realtime-2.1-mini OpenAI gpt-4o-mini-tts-2025-03-20 2027-01-06 gpt-realtime-2.1-mini OpenAI gpt-4o-mini-tts-2025-12-15 2027-01-06 gpt-realtime-2.1-mini OpenAI GPT-4o 2027-01-14 gpt-6-luna OpenAI gpt-4o-mini 2027-01-14 gpt-6-luna Per-provider migration detail: the deprecation calendar , which also shows our measured latency for the provider you would be migrating to.

Source: https://llmlatency.dev/blog/retired-2026-10 · CC BY 4.0