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Chat Latest

ActiveOpenAIopenai/chat-latest5 platforms

No shutdown before this date. The gpt-chat-latest:2026-08-06 version of Chat Latest stays on Azure AI Foundry until at least Dec 2, 2026.

≥ 49 days
Earliest retirement
≥ 49 daysDec 2, 2026 · Azure AI Foundry
List price · $ per 1M
$5.00 in $30.00 outOpenAI API · cached input $0.50
Context window
400KMax output 128K tokens
Released
May 5, 2026OpenAI

Dates on every platform

5 listings · a floor is the earliest possible date
Chat Latest on each platform: model ID, status, dates, replacement and source
PlatformModel ID and statusDeprecatedShuts downReplacement
OpenAI APIOpenAI: List models (GET /v1/models) (opens in a new tab) · checked Oct 14, 2026chat-latestActive–None set–
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026gpt-chat-latest:2026-05-05Preview–Not sooner than–
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026gpt-chat-latest:2026-05-28Preview–Not sooner than–
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026gpt-chat-latest:2026-06-24Preview–Not sooner than–
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026gpt-chat-latest:2026-08-06Preview–Not sooner than–

Points to the latest Instant model used in ChatGPT. OpenAI updates the model behind this ID without a new model ID.

Microsoft's name for OpenAI's chat-latest. The reasoning level is fixed and cannot be set with reasoning_effort.

Preview dates on Azure are a floor. Preview deployments are upgraded to a newer version or retired with at least 30 days' notice.

Microsoft's name for OpenAI's chat-latest. The reasoning level is fixed and cannot be set with reasoning_effort.

Preview dates on Azure are a floor. Preview deployments are upgraded to a newer version or retired with at least 30 days' notice.

Microsoft's name for OpenAI's chat-latest. The reasoning level is fixed and cannot be set with reasoning_effort.

Preview dates on Azure are a floor. Preview deployments are upgraded to a newer version or retired with at least 30 days' notice.

Microsoft's name for OpenAI's chat-latest. The reasoning level is fixed and cannot be set with reasoning_effort.

Preview dates on Azure are a floor. Preview deployments are upgraded to a newer version or retired with at least 30 days' notice.

What breaks when you move off Chat Latest

  • Behavior

    Outputs can change without a model ID change.

    Chat Latest · OpenAI API ·

  • Behavior

    Outputs can change without a model ID change.

    Chat Latest · OpenAI API ·

List prices

$ per 1M tokens, with each price’s source
List prices per 1M tokens, in US dollars
PlatformInputCachedOutputIn effectSource
OpenAI APIchat-latest$5.00$0.50$30.00Oct 14, 2026CurrentOpenAI: Pricing (opens in a new tab)
Azure AI Foundrygpt-chat-latest:2026-05-05$5.00$0.50$30.00May 5, 2026Current · Global Standard rate from the US East 2 price list.Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab)
Azure AI Foundrygpt-chat-latest:2026-05-28$5.00$0.50$30.00Jun 1, 2026Current · Global Standard rate from the US East 2 price list.Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab)
Azure AI Foundrygpt-chat-latest:2026-08-06$5.00$0.50$30.00Aug 6, 2026Current · Global Standard rate from the US East 2 price list.Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab)

Change history

API changechat-latest updated againOpenAI API1 break

OpenAI updated the snapshot behind chat-latest to the latest model available in ChatGPT for Plus, Pro, Business and Enterprise users, and recommends the GPT-6 family for API work.

Platform
OpenAI API
  • BehaviorOutputs can change without a model ID change.

Source: OpenAI, Changelog (opens in a new tab)

API changechat-latest now points to a newer ChatGPT modelOpenAI API1 break

OpenAI updated the snapshot behind chat-latest to the latest model available in ChatGPT for Plus and Pro users.

Platform
OpenAI API
  • BehaviorOutputs can change without a model ID change.

Source: OpenAI, Changelog (opens in a new tab)

ShutdownRemaining GPT-5 chat versions retired on Azure AI FoundryAzure AI Foundry1 break

Microsoft retired gpt-5-chat 2025-08-07, gpt-5.1-chat 2025-11-13, gpt-5.2-chat 2026-02-10 and gpt-5.3-chat 2026-03-03. It lists gpt-chat-latest as the replacement.

Platform
Azure AI Foundry
Replacement
Chat Latest
  • AvailabilityInference requests to retired deployments return 410 Gone.

Source: Microsoft, Model retirement schedule - Microsoft Foundry (opens in a new tab); Microsoft, Microsoft Foundry Models lifecycle and support policy (opens in a new tab)

ShutdownTwo GPT chat versions retired on Azure AI FoundryAzure AI Foundry1 break

Microsoft retired gpt-5-chat version 2025-10-03 and gpt-5.2-chat version 2025-12-11. It lists gpt-chat-latest as the replacement.

Platform
Azure AI Foundry
Replacement
Chat Latest
  • AvailabilityInference requests to retired deployments return 410 Gone.

Source: Microsoft, Model retirement schedule - Microsoft Foundry (opens in a new tab); Microsoft, Microsoft Foundry Models lifecycle and support policy (opens in a new tab)

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