Model Tracker
o4-mini-deep-research
o4-mini-deep-research is an AI model made by OpenAI. It is retired. OpenAI retired it on 23 July 2026. It takes text, image and returns text.
In inglese
o4-mini-deep-research is an AI model made by OpenAI. It is retired. OpenAI retired it on 23 July 2026. It takes text, image and returns text. Its context window is 200,000 tokens. Its longest answer is 100,000 tokens. Its knowledge cutoff is 1 June 2024.
- Released
- Not confirmed: two readings disagree: 2025-06-24 and 2025-06-26
- Status
- Retired — platform.openai.com, read 16 October 2026
- Retired
- 23 July 2026 — platform.openai.com, read 16 October 2026
- Takes
- Text, Image — developers.openai.com, read 16 October 2026
- Returns
- Text — developers.openai.com, read 16 October 2026
- Open weights
- Not confirmed: The maker's pages reviewed do not state whether this model's weights are open or downloadable.
- Licence
- Not confirmed: The maker's pages reviewed do not name a licence for this model.
- Context window
- 200,000 tokens — developers.openai.com, read 16 October 2026
- Longest answer
- 100,000 tokens — developers.openai.com, read 16 October 2026
- Knowledge cutoff
- 1 June 2024 — developers.openai.com, read 16 October 2026
- API price, input
- Not confirmed: the reading gave a value this register cannot hold
- API price, output
- Not confirmed: the reading gave a value this register cannot hold
- Where
- API — developers.openai.com, read 16 October 2026
- Parameters
- Not confirmed: The maker's pages reviewed do not publish the model's parameter count.
- Model card
- Not confirmed: two readings disagree: https://developers.openai.com/api/docs/models/o4-mini-deep-research and https://developers.openai.com/api/docs/models/o4-mini-deep-research.md
Questions
Is o4-mini-deep-research still available?
No: OpenAI retired o4-mini-deep-research on 23 July 2026.
What is the context window of o4-mini-deep-research?
The context window of o4-mini-deep-research is 200,000 tokens, as OpenAI prints it.
What does o4-mini-deep-research take and return?
o4-mini-deep-research takes text, image and returns text.
What is the knowledge cutoff of o4-mini-deep-research?
The knowledge cutoff of o4-mini-deep-research is 1 June 2024.
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Sources
- o4-mini-deep-research Model | OpenAI API (read 16 October 2026)
- Deprecations | OpenAI API (read 16 October 2026)
- Changelog | OpenAI API (read 16 October 2026)
- Deep research | OpenAI API (read 16 October 2026)