O-series reasoning model for hard analysis, math, coding, and planning
OpenAI o4-mini high is offered by 3 providers on this page. Its reference price is $1.10 per 1M input tokens and $4.40 per 1M output tokens.
The context window is 200,000 tokens, with an output limit of 100,000 tokens. It supports reasoning, tool use, and structured output. Accepted input modalities are Text, Image, and PDF. Providers report the capability flags inconsistently, so verify a specific feature against the host you plan to use. Its training knowledge cuts off at 2024-06-30.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $1.10 | $4.40 | $0.55 | — | 200,000 | 100,000 | |
| Kilo Gateway | Gateway | $1.10 | $4.40 | $0.28 | — | 200,000 | 100,000 | |
| OpenRouter | Gateway | $1.10 | $4.40 | $0.28 | — | 200,000 | 100,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.