Provider changes/OpenAIOPENAI · VERIFIED CHANGE

The o3-deep-research and o4-mini-deep-research models

The o3-deep-research and o4-mini-deep-research models, including their June 26, 2025 snapshots, are deprecated and scheduled to shut down on July 23, 2026.

Verified Nov 4, 20261 official source

Mentioned in the evidence

  • o3-deep-research
  • o3-deep-research-2025-06-26
  • o4-mini-deep-research
  • o4-mini-deep-research-2025-06-26

Official source

  • OpenAI API changelog (changelog) ↗
    Deprecated o3-deep-research and o4-mini-deep-research, including their June 26, 2025 snapshots. These models are scheduled to shut down on July 23, 2026. See the deprecation notice.

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