o4 Mini Deep Research
OpenAI · released Oct 10, 2025
- Type
- Proprietary
- Input
- $2.00
- Output
- $8.00
- Cached
- $0.50
List price · per 1M tokens · OpenAI at 200K context · source ↗
Our take
Written Aug 2, 2026o4 Mini Deep Research is OpenAI's hosted-only agent for long-document and multimodal analysis, handling up to 200,000 tokens in a single request alongside images and files. With no measured quality data and only two identically-priced offers, it is a bet on the vendor's reputation rather than verified performance.
Use this for research workflows that combine extensive documents, images and uploaded files in one long prompt, where the 200,000-token limit matters more than proven speed or accuracy. Pick it if you already run OpenAI's stack and want a single-vendor deep-research tool. Skip it if you need benchmark-backed quality assurance, price competition between hosts, or the option to run offline.
The case for it
- 200,000-token request limit for document-heavy research.
- Accepts text, images and files together in one prompt.
The case against it
- No benchmark scores or throughput data in our records, so performance is unverified.
- Only two tracked offers at the same price, with no price competition between them.
- Hosted only with no downloadable weights and no disclosed licence terms.
How good is it?
We hold no score for this model.
We look for every model we track on every board we watch, and none of them has turned up o4 Mini Deep Research — so there is no intelligence, coding, agentic or writing score to show you, not a low one, none.
Or rent it from someone else
Why this differs from the header. The strip above quotes OpenAI's own list price. This is the cheapest live offer at the widest standard context we hold, whoever is serving it — a reseller undercutting a lab is ordinary commerce, not an error.
- per 1M tokens
- $2.00 in / $8.00 out
- Context served
- 200K
- Throughput
- Not measured
| Provider | In / out per 1M tokens | Context | Throughput | Trains on prompts | Logs prompts | Zero retention |
|---|---|---|---|---|---|---|
| OpenRouter | $2.00 / $8.00 | 200K | not measured | Unknown | Unknown | Unknown |
| OpenAI | $2.00 / $8.00 | 200K | not measured | No | Yesunknown period | Unknown |
Across the 2 listings we hold: 1 say they do not train on prompts, 0 say they do and 1 do not say. 0 appear in the zero-retention registry we check; the rest are unknown to us rather than confirmed either way.
What each host's API supports
From the parameter list each endpoint publishes. Streaming is omitted: nothing we hold reports it, for any model.
- ✓
- Supported
- ✗
- Not supported
- Not published
- host gave no parameter list
| Provider | Tool calling | JSON output | Strict schema |
|---|---|---|---|
| OpenRouter | ✓ | ✓ | ✓ |
| OpenAI | ✓ | ✓ | ✓ |
Tool calling: 2 of 2 listings say yes. JSON output: 2 of 2 listings say yes. Strict schema: 2 of 2 listings say yes.
When we formed this view
Dates behind this page
Prices last checked 9d ago
What we do not know about this model yet
- No board we watch has turned up a score, so we hold no quality figures at all.
- Nothing we hold says whether an endpoint streams, so we do not show it either way.
- 1 of 2 listings do not say whether they train on prompts.
Licence and identifiers
What the licence allowsWe hold no licence record for this model. Inside are the identifiers you need to pull it — its Hugging Face repo where we have one, our slug and a machine-readable card.
Licence
Commercial API terms. We hold no licence record for this model, so there is nothing to summarise here.
Identifiers
- Modality record
- text+image+file->text
- Catalogue slug
- openai-o4-mini-deep-research