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o4-mini-deep-research

Shut downOpenAIopenai/o4-mini-deep-research1 platform

Next shutdown
None setNo date on 1 platform
Context window
200KMax output 100K tokens
Released
Jun 24, 2025OpenAI

Dates on every platform

1 listings · a floor is the earliest possible date
o4-mini-deep-research on each platform: model ID, status, dates, replacement and source
PlatformModel ID and statusDeprecatedShuts downReplacement
OpenAI APIOpenAI: Deprecations (opens in a new tab) · checked Oct 14, 2026o4-mini-deep-research-2025-06-26Shut down · also o4-mini-deep-researchGPT-5.6 Sol

What breaks when you move off o4-mini-deep-research

No breaking changes are recorded for the move to GPT-5.6 Sol. Run your own cases on it before the date.

Change history

ShutdownCodex, chat, search, deep research and computer-use snapshots shut down on the OpenAI APIOpenAI API

OpenAI shut down the GPT-5, GPT-5.1 and GPT-5.2 Codex models, the GPT-5 and GPT-5.1 chat snapshots, the GPT-4o search previews, computer-use-preview and the o3 and o4-mini deep research models. It names GPT-5.6 Sol or GPT-5.6 Terra as the substitute for each.

Platform
OpenAI API
Announced

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

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