AI Model Deprecation Dates (2026): Which LLM APIs Are Retiring

As of Oct 22, 2026, 33 tracked models have a listed deprecation date in the future; the next is gemini-omni-flash-preview on Oct 22, 2026.

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Upcoming

• Oct 22, 2026 — gemini-omni-flash-preview (Google Gemini API)
• Oct 22, 2026 — DeepSeek-V4-Flash-0731 (Together AI)
• Oct 22, 2026 — Llama-3.3-70B-Instruct-Turbo (Together AI)
• Oct 23, 2026 — deep-research-pro-preview-12-2025 (Google Gemini API)
• Oct 23, 2026 — gpt-3.5-turbo (OpenAI)
• Oct 23, 2026 — gpt-3.5-turbo-16k (OpenAI)
• Oct 23, 2026 — gpt-4 (OpenAI)
• Oct 23, 2026 — gpt-4-1106-preview (OpenAI)
• Oct 23, 2026 — gpt-4-turbo (OpenAI)
• Oct 23, 2026 — gpt-4.1-nano (OpenAI)
• Oct 23, 2026 — gpt-4o-2024-05-13 (OpenAI)
• Oct 23, 2026 — o1 (OpenAI)
• Oct 23, 2026 — o3-mini (OpenAI)
• Oct 23, 2026 — o4-mini (OpenAI)
• Oct 31, 2026 — zai-glm-5-2 (Mistral AI)
• Nov 7, 2026 — gpt-oss-120b (Fireworks AI)
• Nov 7, 2026 — inkling (Fireworks AI)
• Nov 7, 2026 — nemotron-3-ultra-nvfp4 (Fireworks AI)
• Nov 7, 2026 — nemotron-lightning-3p5-30b-a3b (Fireworks AI)
• Nov 7, 2026 — glm-5p3-flash-us (Fireworks AI)
• Nov 7, 2026 — glm-5p3-flash-us (Fireworks AI)
• Nov 7, 2026 — gpt-oss-120b (Fireworks AI)
• Nov 7, 2026 — nemotron-3-ultra-nvfp4 (Fireworks AI)
• Nov 7, 2026 — nemotron-lightning-3p5-30b-a3b (Fireworks AI)
• Nov 30, 2026 — claude-sonnet-4-5 (Anthropic)
• Jan 20, 2027 — gpt-4o-audio-preview-2024-12-17 (OpenAI)
• Jan 20, 2027 — gpt-4o-audio-preview-2025-06-03 (OpenAI)
• Jan 20, 2027 — gpt-4o-mini-audio-preview-2024-12-17 (OpenAI)
• Jan 20, 2027 — gpt-audio (OpenAI)
• Jan 20, 2027 — gpt-audio-mini (OpenAI)
• Apr 1, 2027 — gpt-5.1 (OpenAI)
• Apr 1, 2027 — gpt-5.4-nano (OpenAI)
• May 7, 2027 — gemini-3.1-flash-lite (Google Gemini API)

Recently passed

• Jun 29, 2026 — Qwen3.5-397B-A17B (Together AI)
• Jul 10, 2026 — GLM-5.1 (Together AI)
• Jul 23, 2026 — computer-use-preview (OpenAI)
• Jul 23, 2026 — gpt-5-chat (OpenAI)
• Jul 23, 2026 — gpt-5-chat-latest (OpenAI)
• Jul 23, 2026 — gpt-5.1-chat-latest (OpenAI)
• Jul 24, 2026 — deepseek-chat (DeepSeek)
• Jul 24, 2026 — deepseek-reasoner (DeepSeek)
• Jul 28, 2026 — gemini-2.5-computer-use-preview-10-2025 (Google Gemini API)
• Aug 10, 2026 — gpt-5.2-chat-latest (OpenAI)
• Aug 10, 2026 — gpt-5.3-chat-latest (OpenAI)
• Aug 19, 2026 — Kimi-K2.6 (Together AI)
• Aug 27, 2026 — deepseek-v4-pro (Fireworks AI)
• Aug 27, 2026 — kimi-k2p6-fast (Fireworks AI)
• Aug 27, 2026 — kimi-k2p7-code-fast (Fireworks AI)
• Aug 27, 2026 — kimi-k2p6-fast (Fireworks AI)
• Aug 27, 2026 — kimi-k2p7-code-fast (Fireworks AI)
• Aug 27, 2026 — Kimi-K2.7-Code (Together AI)
• Aug 27, 2026 — nemotron-3-ultra-550b-a55b (Together AI)
• Sep 15, 2026 — gemma-4-31B-it (Together AI)
• Sep 15, 2026 — gpt-oss-20b (Together AI)
• Sep 25, 2026 — deepseek-v4-flash-0731 (Fireworks AI)
• Sep 25, 2026 — deepseek-v4-flash-vision-exp (Fireworks AI)
• Sep 25, 2026 — deepseek-v4-pro-0813 (Fireworks AI)
• Sep 25, 2026 — glm-5p2 (Fireworks AI)
• Sep 25, 2026 — kimi-k2p6 (Fireworks AI)
• Sep 25, 2026 — kimi-k2p7-code (Fireworks AI)
• Sep 25, 2026 — muse-glimmer-30b (Fireworks AI)
• Sep 25, 2026 — glm-5p2-fast (Fireworks AI)
• Sep 25, 2026 — glm-5p2-fast-us (Fireworks AI)
• Sep 25, 2026 — deepseek-v4-flash-0731 (Fireworks AI)
• Sep 25, 2026 — deepseek-v4-flash-vision-exp (Fireworks AI)
• Sep 25, 2026 — deepseek-v4-pro-0813 (Fireworks AI)
• Sep 25, 2026 — glm-5p2 (Fireworks AI)
• Sep 25, 2026 — glm-5p2-fast (Fireworks AI)
• Sep 25, 2026 — glm-5p2-fast-us (Fireworks AI)
• Sep 25, 2026 — kimi-k2p6 (Fireworks AI)
• Sep 25, 2026 — kimi-k2p7-code (Fireworks AI)
• Sep 25, 2026 — muse-glimmer-30b (Fireworks AI)
• Sep 28, 2026 — gpt-3.5-turbo-1106 (OpenAI)

Dates come from the price list and can change; check the provider's deprecations page before you migrate.