Model lifecycle and sunset dates
Retirement dates as published by each provider. Anthropic commits to at least 60 days of notice for publicly released models. OpenAI commits to at least 6 months for generally available models. Google publishes an earliest-possible date and confirms the real one later.
Retired and archived
| Model | Retires | Replaced by | Verified |
|---|---|---|---|
| Command R (03-2024, retired)Cohere | 2025-09-15 | command-r-plus-08-2024 | 2026-09-08 |
| Command Light (retired)Cohere | 2025-09-15 | command-r-plus-08-2024 | 2026-10-14 |
| Command (retired)Cohere | 2025-09-15 | command-r-plus-08-2024 | 2026-10-14 |
| Claude Sonnet 3.7Anthropic | 2026-02-19 | claude-sonnet-5-5 | 2026-10-14 |
| Claude Haiku 3.5Anthropic | 2026-02-19 | claude-haiku-4-5 | 2026-10-14 |
| Claude Haiku 3Anthropic | 2026-04-20 | claude-haiku-4-5 | 2026-10-14 |
| Grok 4.1 Fast (reasoning, retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Grok 4.1 Fast (non-reasoning, retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Grok 4 Fast (reasoning, retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Grok 4 Fast (non-reasoning, retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Grok 4 (0709, retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Grok Code Fast 1 (retired)xAI | 2026-05-15 | grok-build-0-1 | 2026-10-14 |
| Grok 3 (retired)xAI | 2026-05-15 | n/a | 2026-10-14 |
| Claude Opus 4Anthropic | 2026-06-15 | claude-opus-4-8 | 2026-10-14 |
| Claude Sonnet 4Anthropic | 2026-06-15 | claude-sonnet-5-5 | 2026-10-14 |
| DeepSeek Chat (legacy alias)DeepSeek | 2026-07-24 | deepseek-v4-flash | 2026-10-14 |
| DeepSeek Reasoner (legacy alias)DeepSeek | 2026-07-24 | deepseek-v4-flash | 2026-10-14 |
| Claude Opus 4.1Anthropic | 2026-08-05 | claude-opus-4-8 | 2026-10-14 |
| DeepSeek V4 FlashDeepSeek | 2026-09-10 | deepseek-v4-1-flash | 2026-10-14 |
| Nova PremierAmazon | 2026-09-14 | nova-2-lite | 2026-11-03 |
| Qwen3-Coder-Plus (retired)Qwen (Alibaba Cloud) | 2026-10-10 | n/a | 2026-10-14 |
| Claude Sonnet 4.5Anthropic(archived 2026-11-05, ahead of shutdown) | 2026-11-30 | claude-sonnet-5-5 | 2026-11-05 |
| Gemini 2.5 ProGoogle(archived 2026-11-05, ahead of shutdown) | 2026-12-01 | gemini-3-8-flash | 2026-11-05 |
| Gemini 2.5 FlashGoogle(archived 2026-11-05, ahead of shutdown) | 2026-12-01 | gemini-3-5-flash-lite | 2026-11-05 |
Deprecated
| Model | Retires | Replaced by | Verified |
|---|---|---|---|
| GPT-5OpenAI | 2026-12-11 | gpt-5-6-sol | 2026-11-05 |
| Mistral Large 3Mistral AI | 2027-04-30 | mistral-large-4 | 2026-11-05 |
| Mistral Medium 3.5Mistral AI | 2027-04-30 | mistral-large-4 | 2026-11-05 |
| Command R+ (04-2024, deprecated)Cohere | Not announced | command-r-plus-08-2024 | 2026-11-05 |
Legacy
| Model | Retires | Replaced by | Verified |
|---|---|---|---|
| Claude Opus 5Anthropic | 2027-07-24 | n/a | 2026-11-05 |
| Claude Sonnet 5Anthropic | 2027-06-30 | n/a | 2026-11-05 |
| Claude Fable 5Anthropic | 2027-06-09 | n/a | 2026-11-05 |
| Claude Opus 4.8Anthropic | 2027-05-28 | n/a | 2026-11-05 |
| Claude Opus 4.7Anthropic | 2027-04-16 | n/a | 2026-11-05 |
| Claude Opus 4.6Anthropic | 2027-02-05 | n/a | 2026-11-05 |
| Claude Sonnet 4.6Anthropic | 2027-02-17 | n/a | 2026-11-05 |
| Claude Haiku 4.5Anthropic | 2026-10-15 | n/a | 2026-11-05 |
| Claude Opus 4.5Anthropic | 2026-11-24 | n/a | 2026-11-05 |
Active
| Model | Retires | Replaced by | Verified |
|---|---|---|---|
| GPT-6 AstraOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-6.1 SolOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-6.1 TerraOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-6 SolOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-6 LunaOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-5.6 SolOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-5.6 TerraOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-5.6 LunaOpenAI | Not announced | n/a | 2026-11-05 |
| GPT-5.5OpenAI | Not announced | n/a | 2026-11-05 |
| GPT-5.4OpenAI | Not announced | n/a | 2026-11-05 |
| Gemini 3.1 Pro PreviewGoogle | Not announced | n/a | 2026-11-05 |
| Gemini 4 ArgonGoogle | Not announced | n/a | 2026-11-05 |
| Gemini 3.8 FlashGoogle | Not announced | n/a | 2026-11-05 |
| Gemini 3.6 FlashGoogle | Not announced | n/a | 2026-11-05 |
| Gemini 3.5 Flash-LiteGoogle | Not announced | n/a | 2026-11-05 |
| Claude Fable 5.1Anthropic | 2027-09-01 | n/a | 2026-11-05 |
| Claude Opus 5.5Anthropic | 2027-09-22 | n/a | 2026-11-05 |
| Claude Haiku 5.5Anthropic | 2027-10-07 | n/a | 2026-11-05 |
| Claude Sonnet 5.5Anthropic | 2027-09-28 | n/a | 2026-11-05 |
| Mistral Large 4Mistral AI | Not announced | n/a | 2026-11-05 |
| DeepSeek V4.1 FlashDeepSeek | Not announced | n/a | 2026-11-05 |
| DeepSeek V4 ProDeepSeek | Not announced | n/a | 2026-11-05 |
| Grok 4.20 (reasoning)xAI | Not announced | n/a | 2026-11-05 |
| Grok 4.20 (non-reasoning)xAI | Not announced | n/a | 2026-11-05 |
| Grok 4.20 Multi-AgentxAI | Not announced | n/a | 2026-11-05 |
| Qwen3.8-MaxQwen (Alibaba Cloud) | Not announced | n/a | 2026-10-14 |
| Qwen3.7-PlusQwen (Alibaba Cloud) | Not announced | n/a | 2026-10-14 |
| Qwen3.8-FlashQwen (Alibaba Cloud) | Not announced | n/a | 2026-10-14 |
| Nova 2 LiteAmazon | Not announced | n/a | 2026-11-05 |
| Grok 4.7xAI | Not announced | n/a | 2026-11-05 |
| Grok 4.6xAI | Not announced | n/a | 2026-11-05 |
| Grok 4.5xAI | Not announced | n/a | 2026-11-05 |
| Nova ProAmazon | Not announced | n/a | 2026-11-05 |
| Nova LiteAmazon | Not announced | n/a | 2026-11-05 |
| Mistral Small 4Mistral AI | Not announced | n/a | 2026-11-05 |
| Ministral 3 14BMistral AI | Not announced | n/a | 2026-11-05 |
| Grok Build 0.1xAI | Not announced | n/a | 2026-11-05 |
| Qwen3-VL-PlusQwen (Alibaba Cloud) | Not announced | n/a | 2026-10-14 |
| Codestral (25.08)Mistral AI | Not announced | n/a | 2026-11-05 |
| Nova MicroAmazon | Not announced | n/a | 2026-11-05 |
| Command R+ (08-2024)Cohere | Not announced | n/a | 2026-11-05 |