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Pricing and model transparency

Model lifecycle

Deprecation calendar

Models come and go. We track every retirement so nothing you rely on disappears without warning.

Updated May 28, 2026

26scheduled shutdowns
57models with no published date

Month by month

May 2026

SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DeepSeek v3.1DeepSeek v3.2GLM 4.7GLM 5
15
Grok Code Fast 1Grok Imagine ProGrok-3Grok-4 Fast Non-ReasoningGrok-4 Fast ReasoningGrok-4.1 Fast Non-ReasoningGrok-4.1 Fast Reasoning
16
17
18
19
20
21
22
23
24
25
Gemini 3.1 Flash-Lite Preview
26
27
28
29
30
31

Chronological

Models with published deprecation dates

DateModelSurfaceStatusSource
Jul 23, 2026GPT audio mini · Oct. 2025gpt-audio-mini-2025-10-06ChatScheduled shutdownOpenAI API deprecations
Jul 23, 2026GPT-4o mini TTS (2025-03-20)gpt-4o-mini-tts-2025-03-20VoiceScheduled shutdownOpenAI deprecates the older 2025-03-20 tts snapshot; the newer 2025-12-15 snapshot is the replacement (it is not itself deprecated).OpenAI API deprecations
Jul 23, 2026GPT-5 codexgpt-5-codexChatScheduled shutdownOpenAI API deprecations
Jul 23, 2026GPT-5 latestgpt-5-chat-latestChatScheduled shutdownOpenAI API deprecations
Jul 23, 2026GPT-5.1 codexgpt-5.1-codexChatScheduled shutdownOpenAI API deprecations
Jul 23, 2026GPT-5.1 codex minigpt-5.1-codex-miniChatScheduled shutdownOpenAI API deprecations
Jul 23, 2026GPT-5.1 latestgpt-5.1-chat-latestChatScheduled shutdownOpenAI API deprecations
Aug 10, 2026GPT-5.2 latestgpt-5.2-chat-latestChatScheduled shutdownOpenAI API deprecations
Aug 10, 2026GPT-5.3 latestgpt-5.3-chat-latestChatScheduled shutdownOpenAI API deprecations
Aug 17, 2026Imagen 4imagen-4.0-generate-001ImageScheduled shutdownGoogle official deprecation date is 2026-08-17 (corrected from a stale 2026-06-24). Recommended replacement is the GA gemini-3-pro-image.Gemini API deprecations
Aug 17, 2026Imagen 4 Fastimagen-4.0-fast-generate-001ImageScheduled shutdownGoogle official deprecation date is 2026-08-17 (corrected from a stale 2026-06-24). Recommended replacement is the GA gemini-3-pro-image.Gemini API deprecations
Aug 17, 2026Imagen 4 Ultraimagen-4.0-ultra-generate-001ImageScheduled shutdownGoogle official deprecation date is 2026-08-17 (corrected from a stale 2026-06-24). Recommended replacement is the GA gemini-3-pro-image.Gemini API deprecations
Sep 28, 2026GPT-3.5 Turbo · 1106gpt-3.5-turbo-1106ChatScheduled shutdownOpenAI API deprecations
Sep 29, 2026Claude Sonnet 4.5claude-sonnet-4-5ChatEarliest retirementAnthropic lists this as active with retirement not sooner than this date.Claude API model deprecations
Oct 2, 2026Nano Banana / Gemini 2.5 Flash Imagegemini-2.5-flash-imageImageScheduled shutdownGemini API deprecations
Oct 15, 2026Claude Haiku 4.5claude-haiku-4-5ChatEarliest retirementAnthropic lists this as active with retirement not sooner than this date.Claude API model deprecations
Oct 16, 2026Gemini 2.5 Flashgemini-2.5-flashChatScheduled shutdownGemini API deprecations
Oct 16, 2026Gemini 2.5 Flash-Litegemini-2.5-flash-liteChatScheduled shutdownGemini API deprecations
Oct 16, 2026Gemini 2.5 Progemini-2.5-proChatScheduled shutdownGemini API deprecations
Oct 23, 2026GPT-3.5 Turbogpt-3.5-turboChatScheduled shutdownOpenAI API deprecations
Oct 23, 2026GPT-3.5 Turbo · 0125gpt-3.5-turbo-0125ChatScheduled shutdownOpenAI API deprecations
Oct 23, 2026GPT-4.1 nanogpt-4.1-nanoChatScheduled shutdownOpenAI API deprecations
Oct 23, 2026GPT-4o · May 2024gpt-4o-2024-05-13ChatScheduled shutdownOpenAI API deprecations
Oct 23, 2026o3 minio3-miniChatScheduled shutdownOpenAI API deprecations
Oct 23, 2026o4 minio4-miniChatScheduled shutdownOpenAI API deprecations
Nov 24, 2026Claude Opus 4.5claude-opus-4-5ChatEarliest retirementAnthropic lists this as active with retirement not sooner than this date.Claude API model deprecations
Dec 1, 2026ChatGPT Image Latestchatgpt-image-latestImageScheduled shutdownOpenAI June 2, 2026 image-model deprecation; migrate to gpt-image-2.OpenAI API deprecations
Dec 1, 2026GPT Image 1.5gpt-image-1.5ImageScheduled shutdownOpenAI June 2, 2026 image-model deprecation; migrate to gpt-image-2.OpenAI API deprecations
Feb 5, 2027Claude Opus 4.6claude-opus-4-6ChatEarliest retirementAnthropic lists this as active with retirement not sooner than this date.Claude API model deprecations
Feb 17, 2027Claude Sonnet 4.6claude-sonnet-4-6ChatEarliest retirementAnthropic lists this as active with retirement not sooner than this date.Claude API model deprecations
May 7, 2027Gemini 3.1 Flash-Litegemini-3.1-flash-liteChatScheduled shutdownGemini API deprecations

Currently active

Models with no published deprecation date

These models have no currently published shutdown date in the provider sources tracked here.

ModelProviderSurfaceStatus
GPT-4ogpt-4oOpenAIChatNo published date
GPT-4o · Aug. 2024gpt-4o-2024-08-06OpenAIChatNo published date
GPT-4o · Nov. 2024gpt-4o-2024-11-20OpenAIChatNo published date
FLUX.1 Kontext Maxflux-kontext-max via falBlack Forest Labs via falImageNo published date
FLUX.1 Kontext Proflux-kontext-pro via falBlack Forest Labs via falImageNo published date
DeepSeek V4 Flashdeepseek-v4-flash via FireworksDeepSeek via FireworksChatNo published date
DeepSeek V4 Prodeepseek-v4-pro via FireworksDeepSeek via FireworksChatNo published date
ElevenLabs Flash v2.5eleven_flash_v2_5ElevenLabsVoiceNo published date
Gemini 3 Flash Previewgemini-3-flash-previewGoogleChatNo published date
Gemini 3.1 Pro Previewgemini-3.1-pro-previewGoogleChatNo published date
Gemini 3.5 Flashgemini-3.5-flashGoogleChatNo published date
Nano Banana 2 / Gemini 3.1 Flash Imagegemini-3.1-flash-imageGoogleImageNo published date
Nano Banana Pro / Gemini 3 Pro Imagegemini-3-pro-imageGoogleImageNo published date
Echoechojust4o.chatChatNo published date
Echo maxecho-maxjust4o.chatChatNo published date
Echo miniecho-minijust4o.chatChatNo published date
MiniMax M2.7minimax-m2p7 via FireworksMiniMax via FireworksChatNo published date
MiniMax M3minimax-m3 via FireworksMiniMax via FireworksChatNo published date
Kimi K2.6kimi-k2p6 via FireworksMoonshot via FireworksChatNo published date
Kimi K2.7 Codekimi-k2p7-code via FireworksMoonshot via FireworksChatNo published date
GPT audio minigpt-audio-miniOpenAIChatNo published date
GPT audio mini · Dec. 2025gpt-audio-mini-2025-12-15OpenAIChatNo published date
GPT-4.1gpt-4.1OpenAIChatNo published date
GPT-4.1 minigpt-4.1-miniOpenAIChatNo published date
GPT-4o minigpt-4o-miniOpenAIChatNo published date
GPT-5gpt-5OpenAIChatNo published date
GPT-5 minigpt-5-miniOpenAIChatNo published date
GPT-5 nanogpt-5-nanoOpenAIChatNo published date
GPT-5.1gpt-5.1OpenAIChatNo published date
GPT-5.2gpt-5.2-2025-12-11OpenAIChatNo published date
GPT-5.3-Codexgpt-5.3-codexOpenAIChatNo published date
GPT-5.4gpt-5.4OpenAIChatNo published date
GPT-5.4 minigpt-5.4-miniOpenAIChatNo published date
GPT-5.4 nanogpt-5.4-nanoOpenAIChatNo published date
o3o3OpenAIChatNo published date
GPT Image 2gpt-image-2OpenAIImageNo published date
GPT-4o mini TTSgpt-4o-mini-ttsOpenAIVoiceNo published date
GPT-4o mini TTS (2025-12-15)gpt-4o-mini-tts-2025-12-15OpenAIVoiceNo published date
GPT OSS 120bgpt-oss-120b via FireworksOpenAI OSS via FireworksChatNo published date
GPT OSS 120B Fastgpt-oss-120b-fast via CerebrasOpenAI OSS via CerebrasChatNo published date
GPT OSS 20bgpt-oss-20b via FireworksOpenAI OSS via FireworksChatNo published date
PixVerse C1 Videopixverse-c1-video via falPixVerse via falVideoNo published date
PixVerse V6pixverse-v6-image-to-video via falPixVerse via falVideoNo published date
Qwen 3.7 Plusqwen3p7-plus via FireworksQwen via FireworksChatNo published date
Seedream 4.5seedream-v4.5 via falSeedream via falImageNo published date
Grok 4.3grok-4.3xAIChatNo published date
Grok Build 0.1grok-build-0.1xAIChatNo published date
Grok-3 Minigrok-3-minixAIChatNo published date
Grok-4.20 Non-Reasoninggrok-4.20-beta-0309-non-reasoningxAIChatNo published date
Grok-4.20 Reasoninggrok-4.20-beta-0309-reasoningxAIChatNo published date
Grok Imaginegrok-imagine-imagexAIImageNo published date
Grok Imagine Image (Quality)grok-imagine-image-qualityxAIImageNo published date
Grok Imagine Videogrok-imagine-videoxAIVideoNo published date
Grok Voicegrok-ttsxAIVoiceNo published date
GLM 4.7 Fastglm-4p7-fast via CerebrasZ.ai via CerebrasChatNo published date
GLM 5.1glm-5p1 via FireworksZ.ai via FireworksChatNo published date
GLM 5.2glm-5p2 via FireworksZ.ai via FireworksChatNo published date

Deprecated models

Models no longer available

These IDs have already been removed upstream or removed from the live just4o.chat selector.

DateModelSurfaceStatusSource
Mar 9, 2026Gemini 3 Pro Previewgemini-3-pro-previewChatRemovedRemoved from the live selector after Google shut down the preview id.Gemini API deprecations
Apr 16, 2026MiniMax M2.1minimax-m2p1 via FireworksChatRemovedFireworks metadata reports supportsServerless=false; chat completions return 404 on the serverless route.Fireworks serverless model availability
Apr 16, 2026Kimi K2 Thinkingkimi-k2-thinking via FireworksChatRemovedFireworks metadata reports supportsServerless=false; chat completions return 404 on the serverless route.Fireworks serverless model availability
May 14, 2026DeepSeek v3.1deepseek-v3p1 via FireworksChatRemovedFireworks announced serverless endpoint decommission on May 14, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
May 14, 2026DeepSeek v3.2deepseek-v3p2 via FireworksChatRemovedFireworks announced serverless endpoint decommission on May 14, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
May 14, 2026GLM 4.7glm-4p7 via FireworksChatRemovedFireworks announced serverless endpoint decommission on May 14, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
May 14, 2026GLM 5glm-5 via FireworksChatRemovedFireworks announced serverless endpoint decommission on May 14, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
May 15, 2026Grok Code Fast 1grok-code-fast-1ChatRemovedxAI May 15, 2026 model retirement
May 15, 2026Grok Imagine Progrok-imagine-image-proImageRemovedRemoved from live image settings ahead of xAI retirement.xAI May 15, 2026 model retirement
May 15, 2026Grok-3grok-3ChatRemovedxAI May 15, 2026 model retirement
May 15, 2026Grok-4 Fast Non-Reasoninggrok-4-fast-non-reasoningChatRemovedxAI May 15, 2026 model retirement
May 15, 2026Grok-4 Fast Reasoninggrok-4-fast-reasoningChatRemovedxAI May 15, 2026 model retirement
May 15, 2026Grok-4.1 Fast Non-Reasoninggrok-4-1-fast-non-reasoningChatRemovedxAI May 15, 2026 model retirement
May 15, 2026Grok-4.1 Fast Reasoninggrok-4-1-fast-reasoningChatRemovedxAI May 15, 2026 model retirement
May 25, 2026Gemini 3.1 Flash-Lite Previewgemini-3.1-flash-lite-previewChatRemovedGemini API deprecations
Jun 17, 2026MiniMax M2.5minimax-m2p5 via FireworksChatRemovedFireworks announced serverless endpoint decommission on June 17, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
Jun 17, 2026Kimi K2.5kimi-k2p5 via FireworksChatRemovedFireworks announced serverless endpoint decommission on June 17, 2026; dedicated deployments are unaffected.Fireworks serverless model availability
Jun 17, 2026Qwen 3.6 Plusqwen3p6-plus via FireworksChatRemovedFireworks announced serverless endpoint decommission on June 17, 2026; dedicated deployments are unaffected. Fireworks recommends Qwen 3.7 when it becomes available on serverless.Fireworks serverless model availability
Jun 25, 2026Nano Banana 2 / Gemini 3.1 Flash Imagegemini-3.1-flash-image-previewImageRemovedGoogle deprecates the preview id; the GA model gemini-3.1-flash-image is the drop-in replacement.Gemini API deprecations
Jun 25, 2026Nano Banana Pro / Gemini 3 Pro Imagegemini-3-pro-image-previewImageRemovedGoogle deprecates the preview id; the GA model gemini-3-pro-image is the drop-in replacement.Gemini API deprecations