OpenAI: o3 Mini
The OpenAI o3 Mini is an AI model capable of processing both text and files, with a context length of 200,000 tokens and support for tools and reasoning. While it does not offer structured output, its capabilities in handling diverse input modalities make it suitable for various tasks that require deep analysis or file interpretation. For those prioritizing cost-effectiveness while balancing quality, the o3 Mini might be worth considering, despite its higher price per token ($1.1/input and $4.4/output). Its benchmark score of 46.6 across two independent tests suggests it performs well in specialized areas like polyglot assistance but may not yet cover a broad range of applications comprehensively.
Benchmark results
Independent, published benchmarks. Blended score 46.6 across 2 benchmarks, last refreshed 2026-08-13. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 53.8 |
| AI Index | broad capability composite | 31.7 |
- Model ID
- openai/o3-mini
- Vendor
- openai
- Released
- January 2025
- Tokenizer
- GPT
- Input Modalities
- text, file
- Output Modalities
- text
- Max Output
- 100,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- yes
What it costs in practice
Computed from the current $1.10/M input and $4.40/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.77 |
| A month of a busy support chatbot | 5M in / 2M out | $14.30 |
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Quick answers
- How much does OpenAI: o3 Mini cost?
- $1.10 per million input tokens and $4.40 per million output tokens.
- What is OpenAI: o3 Mini's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does OpenAI: o3 Mini support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: o3 Mini process images?
- No, it is text-only on the input side.