OpenAI · Model retirement
o4-mini-deep-research-2025-06-26
Stopped working
Calls to the model o4-mini-deep-research-2025-06-26 on OpenAI stopped working on July 23, 2026.
What to use instead of o4-mini-deep-research-2025-06-26
Move to gpt-5.6-sol, recommended by OpenAI.
Facts
- API
- OpenAI
api.openai.com - Model
o4-mini-deep-research-2025-06-26- Kind
- Model retirement
- Takes effect
- July 23, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
More from OpenAI
- computer-use-preview Stopped working
- computer-use-preview-2025-03-11 Stopped working
- gpt-4o-mini-search-preview Stopped working
- gpt-4o-mini-search-preview-2025-03-11 Stopped working
- gpt-4o-search-preview Stopped working
- gpt-4o-search-preview-2025-03-11 Stopped working