OpenAI
o4 Mini
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.
At a glance
- Input / 1M
- $1.10
- Output / 1M
- $4.40
- Context
- 200K
- Max output
- 100K
- Intelligence
- 16.7
- Released
- Apr 2025
Pricing
o4 Mini 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 | $0.28 |
| 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
o4 Mini benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
16.7
Coding index
Not available
Agentic index
Not available
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, Image, Text
- Output types
- Text
- Reasoning effort
- Not available
- Release date
- April 16, 2025
- Knowledge cutoff
- June 30, 2024
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
o4 Mini vs other models
See how o4 Mini stacks up head to head on price, benchmarks, and features.
o4 Mini vs GPT-5.4 Mini
OpenAI vs OpenAI
See comparisono4 Mini vs GPT-5 Mini
OpenAI vs OpenAI
See comparisono4 Mini vs o3
OpenAI vs OpenAI
See comparisono4 Mini vs Claude Sonnet 4
OpenAI vs Anthropic
See comparisono4 Mini vs Claude Haiku 4.5
OpenAI vs Anthropic
See comparisono4 Mini vs Gemini 2.5 Pro
OpenAI vs Google
See comparisonAlternatives
o4 Mini alternatives
Similar models worth considering, and where each one has the edge.
OpenAI
GPT-5.4 Mini
OpenAI
GPT-5 Mini
OpenAI
o3
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does o4 Mini cost?
o4 Mini 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 o4 Mini?
o4 Mini accepts up to 200K tokens of input and can write up to 100K tokens in a single response.
What is the best alternative to o4 Mini?
GPT-5.4 Mini from OpenAI is a strong alternative. It offers: higher intelligence score, larger 400k context, newer release.
Can I use o4 Mini alongside other models?
Yes. Shortcut Chat sends one prompt to o4 Mini and any other models you pick at the same time, so you can compare answers side by side.
Try o4 Mini next to every other model.
Use o4 Mini alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.