# o3 Mini High

> o3 Mini High is a language model from OpenAI, released on 12 Feb 2025. It accepts text and files and generates text, with a 200K-token context window and up to 100K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $1.10 per million input tokens and $4.40 per million output tokens (OpenRouter), across 1 provider we track.

Source page: https://www.aimodel.directory/models/o3-mini-high
Last verified: 4 Oct 2026

## Specifications

- **Developer:** OpenAI
- **Release date:** 12 Feb 2025 (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Status:** Generally available
- **Context window:** 200K (200,000 tokens) (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Max output:** 100K tokens (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Knowledge cutoff:** 31 Oct 2023 (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Input:** Text and files (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Output:** Text (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Reasoning mode:** Yes (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Tool calling:** Yes (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)
- **Structured output:** Yes (source: OpenRouter, https://openrouter.ai/openai/o3-mini-high)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $1.10 | $4.40 | $0.55 | 200K |

## FAQ

### What is the context window of o3 Mini High?

o3 Mini High has a context window of 200,000 tokens (200K) and can generate up to 100,000 tokens in a single response, according to OpenRouter.

### How much does the o3 Mini High API cost?

o3 Mini High is listed from $1.10 per million input tokens and $4.40 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

### When was o3 Mini High released?

OpenAI released o3 Mini High on 12 Feb 2025, according to OpenRouter.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "o3 Mini High", https://www.aimodel.directory/models/o3-mini-high