OpenAI: o4 Mini
The OpenAI o4 Mini is an advanced AI model capable of processing text, images, and file inputs within a context length of 200,000 tokens; it supports reasoning and tools integration but does not offer structured output. With its ability to handle multiple modalities and perform reasoning tasks, this model can be particularly useful for applications requiring diverse input types and interactive functionalities. Given its blended benchmark score of 64.5 across three independent benchmarks, the o4 Mini offers solid performance in various domains. While it is suitable for those needing a versatile AI solution with robust reasoning capabilities, its pricing at $1.1 per million input tokens and $4.4 per million output tokens may be considered high compared to some alternatives. Prospective users should weigh these costs against the model’s comprehensive modalities and benchmark standing before making a decision.
Benchmark results
Independent, published benchmarks. Blended score 64.5 across 3 benchmarks, last refreshed 2026-07-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 72.0 |
| AI Index | broad capability composite | 42.2 |
| EQ-Bench | emotional understanding in dialogue | 59.4 |
- Model ID
- openai/o4-mini
- Vendor
- openai
- Released
- April 2025
- Tokenizer
- GPT
- Input Modalities
- image, text, file
- Output Modalities
- text
- Max Output
- 100,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- 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: o4 Mini cost?
- $1.10 per million input tokens and $4.40 per million output tokens.
- What is OpenAI: o4 Mini's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does OpenAI: o4 Mini support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can OpenAI: o4 Mini process images?
- Yes, it accepts image input.