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Deepak Gupta markAI Models

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

ModelRetiresReplaced byVerified
Command R (03-2024, retired)Cohere2025-09-15command-r-plus-08-20242026-09-08
Command R+ (04-2024, retired)Cohere2025-09-15command-r-plus-08-20242026-09-08
Command Light (retired)Cohere2025-09-15command-r-plus-08-20242026-09-08
Command (retired)Cohere2025-09-15command-r-plus-08-20242026-09-08
Claude Sonnet 3.7Anthropic2026-02-19claude-sonnet-4-62026-09-08
Claude Haiku 3.5Anthropic2026-02-19claude-haiku-4-52026-09-08
Claude Haiku 3Anthropic2026-04-20claude-haiku-4-52026-09-08
Grok 4.1 Fast (reasoning, retired)xAI2026-05-15grok-4-20-reasoning2026-09-08
Grok 4.1 Fast (non-reasoning, retired)xAI2026-05-15grok-4-20-non-reasoning2026-09-08
Grok 4 Fast (reasoning, retired)xAI2026-05-15grok-4-20-reasoning2026-09-08
Grok 4 Fast (non-reasoning, retired)xAI2026-05-15grok-4-20-non-reasoning2026-09-08
Grok 4 (0709, retired)xAI2026-05-15grok-4-20-reasoning2026-09-08
Grok Code Fast 1 (retired)xAI2026-05-15grok-build-0-12026-09-08
Grok 3 (retired)xAI2026-05-15grok-4-20-non-reasoning2026-09-08
Claude Opus 4Anthropic2026-06-15claude-opus-4-82026-09-08
Claude Sonnet 4Anthropic2026-06-15claude-sonnet-4-62026-09-08
DeepSeek Chat (legacy alias)DeepSeek2026-07-24deepseek-v4-flash2026-09-08
DeepSeek Reasoner (legacy alias)DeepSeek2026-07-24deepseek-v4-flash2026-09-08
Claude Opus 4.1Anthropic2026-08-05claude-opus-4-82026-09-08

deprecated

ModelRetiresReplaced byVerified
GPT-5OpenAI2026-12-11gpt-5-6-sol2026-09-08

legacy

ModelRetiresReplaced byVerified
Nova PremierAmazon2026-09-14nova-2-lite2026-09-08
Gemini 2.5 ProGoogleNot announcedn/a2026-09-08
Gemini 2.5 FlashGoogleNot announcedn/a2026-09-08
Claude Fable 5Anthropic2027-06-09n/a2026-09-08
Claude Opus 4.8Anthropic2027-05-28n/a2026-09-08
Claude Opus 4.7Anthropic2027-04-16n/a2026-09-08
Claude Opus 4.6Anthropic2027-02-05n/a2026-09-08
Claude Sonnet 4.6Anthropic2027-02-17n/a2026-09-08
Claude Opus 4.5Anthropic2026-11-24n/a2026-09-08
Claude Sonnet 4.5Anthropic2026-09-29n/a2026-09-08

active

ModelRetiresReplaced byVerified
GPT-6 AstraOpenAINot announcedn/a2026-09-08
GPT-5.6 SolOpenAINot announcedn/a2026-09-08
GPT-5.6 TerraOpenAINot announcedn/a2026-09-08
GPT-5.6 LunaOpenAINot announcedn/a2026-09-08
GPT-5.5OpenAINot announcedn/a2026-09-08
GPT-5.4OpenAINot announcedn/a2026-09-08
Gemini 3.1 Pro PreviewGoogleNot announcedn/a2026-09-08
Gemini 3.6 FlashGoogleNot announcedn/a2026-09-08
Gemini 3.5 Flash-LiteGoogleNot announcedn/a2026-09-08
Claude Fable 5.1Anthropic2027-09-01n/a2026-09-08
Claude Opus 5Anthropic2027-07-24n/a2026-09-08
Claude Sonnet 5Anthropic2027-06-30n/a2026-09-08
DeepSeek V4 FlashDeepSeekNot announcedn/a2026-09-08
DeepSeek V4 ProDeepSeekNot announcedn/a2026-09-08
Grok 4.20 (reasoning)xAINot announcedn/a2026-09-08
Grok 4.20 (non-reasoning)xAINot announcedn/a2026-09-08
Grok 4.20 Multi-AgentxAINot announcedn/a2026-09-08
Qwen3.8-MaxQwen (Alibaba Cloud)Not announcedn/a2026-09-08
Qwen3.7-PlusQwen (Alibaba Cloud)Not announcedn/a2026-09-08
Qwen3.8-FlashQwen (Alibaba Cloud)Not announcedn/a2026-09-08
Qwen3-Coder-PlusQwen (Alibaba Cloud)Not announcedn/a2026-09-08
Nova 2 LiteAmazonNot announcedn/a2026-09-08
Grok 4.6xAINot announcedn/a2026-09-08
Grok 4.5xAINot announcedn/a2026-09-08
Nova ProAmazonNot announcedn/a2026-09-08
Nova LiteAmazonNot announcedn/a2026-09-08
Mistral Large 3Mistral AINot announcedn/a2026-09-08
Mistral Medium 3.5Mistral AINot announcedn/a2026-09-08
Mistral Small 4Mistral AINot announcedn/a2026-09-08
Ministral 3 14BMistral AINot announcedn/a2026-09-08
Codestral (25.08)Mistral AINot announcedn/a2026-09-08
Grok Build 0.1xAINot announcedn/a2026-09-08
Qwen3-VL-PlusQwen (Alibaba Cloud)Not announcedn/a2026-09-08
Claude Haiku 4.5Anthropic2026-10-15n/a2026-09-08
Nova MicroAmazonNot announcedn/a2026-09-08
Command R+ (08-2024)CohereNot announcedn/a2026-09-08