OpenAI
o3 Mini High
OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high.
At a glance
- Input / 1M
- $1.10
- Output / 1M
- $4.40
- Context
- 200K
- Max output
- 100K
- Intelligence
- 11
- Released
- Feb 2025
Pricing
o3 Mini High API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $1.10 |
|---|---|
| Output tokensPer 1M tokens | $4.40 |
| Cached input (read)Per 1M tokens | $0.55 |
| Cache writePer 1M tokens | Not available |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$4.40
per 1,000 requests
Coding task
30K in, 4K out
$50.60
per 1,000 requests
Long document summary
150K in, 2K out
$173.80
per 1,000 requests
Benchmarks
o3 Mini High benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
11
Coding index
16.3
Agentic index
0.9
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 200K tokens
- Max output
- 100K tokens
- Input types
- File, Text
- Output types
- Text
- Reasoning effort
- High
- Release date
- February 12, 2025
- Knowledge cutoff
- October 31, 2023
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
o3 Mini High vs other models
See how o3 Mini High stacks up head to head on price, benchmarks, and features.
VSo3 Mini High vs o4 Mini
OpenAI vs OpenAI
See comparisonVSo3 Mini High vs GPT-4.1
OpenAI vs OpenAI
See comparisonVS
o3 Mini High vs Qwen3 235B A22B Thinking 2507
OpenAI vs Qwen
See comparisonVSo3 Mini High vs o3 Mini
OpenAI vs OpenAI
See comparisonVS
o3 Mini High vs Sonar Reasoning Pro
OpenAI vs Perplexity
See comparisonVS
o3 Mini High vs R1
OpenAI vs DeepSeek
See comparisonAlternatives
o3 Mini High alternatives
Similar models worth considering, and where each one has the edge.
OpenAI
o4 Mini
Qwen
Qwen3 235B A22B Thinking 2507
OpenAI
GPT-4.1
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does o3 Mini High cost?
o3 Mini High costs $1.10 per 1M input tokens and $4.40 per 1M output tokens through the API. A typical chat message costs about $4.40 per 1,000 messages.
What is the context window of o3 Mini High?
o3 Mini High accepts up to 200K tokens of input and can write up to 100K tokens in a single response.
What is the best alternative to o3 Mini High?
o4 Mini from OpenAI is a strong alternative. It offers: higher intelligence score, accepts image, newer release.
Can I use o3 Mini High alongside other models?
Yes. Shortcut Chat sends one prompt to o3 Mini High and any other models you pick at the same time, so you can compare answers side by side.
Try o3 Mini High next to every other model.
Use o3 Mini High alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.