OpenAI: o4 Mini
The OpenAI o4 Mini is a language model that accepts input in various formats, including images, text, and files, with a context length of 200,000 tokens. It also supports reasoning and tools functionality. When considering the cost-effectiveness of this model, its pricing stands out: $1.1 per million input tokens and $4.4 per million output tokens. While it has a blended benchmark score of 59.5 across three independent benchmarks, including Aider Polyglot scores of 72.0, users seeking a balanced performance at an affordable price point may want to shortlist the o4 Mini for further evaluation.
Benchmark results
Independent, published benchmarks. Blended score 75.2 across 2 benchmarks, last refreshed 2026-10-22. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| Aider Polyglot | code editing across languages | 72.0 |
| 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 |
Strong choice for
Data Analysis
Financial Analysis
Math Tutoring
SOP / Process Docs
Browser Automation
Fitness Coaching
Category rankings
Where OpenAI: o4 Mini places across the 23 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #4 | Data AnalysisData · of 25 ranked | 141 |
| #4 | Financial AnalysisProfessional · of 25 ranked | 135 |
| #4 | Math TutoringEducation · of 25 ranked | 130 |
| #4 | Browser AutomationAgents · of 25 ranked | 142 |
| #4 | Fitness CoachingPersonal · of 25 ranked | 122 |
| #4 | Experiment DesignResearch · of 25 ranked | 136 |
| #5 | SOP / Process DocsBusiness · of 25 ranked | 125 |
| #6 | Diagram ExtractionVision · of 25 ranked | 135 |
| #8 | Function / Tool CallingAgents · of 25 ranked | 128 |
| #10 | Marketing CopyWriting · of 25 ranked | 121 |
| #10 | Standardized Test PrepEducation · of 25 ranked | 121 |
| #11 | SQL GenerationCode · of 25 ranked | 145 |
| #12 | Frontend Component DesignCode · of 25 ranked | 132 |
| #12 | Resume WritingBusiness · of 25 ranked | 113 |
| #13 | Regex WritingCode · of 25 ranked | 127 |
| #13 | Language TranslationWriting · of 25 ranked | 127 |
| #13 | Chart & Graph ReadingVision · of 25 ranked | 137 |
| #13 | Tutoring for KidsPersonal · of 25 ranked | 127 |
| #17 | Unit Test GenerationCode · of 25 ranked | 135 |
| #17 | Sales / Cold EmailBusiness · of 25 ranked | 119 |
| #17 | Job Application DraftingBusiness · of 25 ranked | 119 |
| #17 | Journaling HelperPersonal · of 25 ranked | 119 |
| #17 | Recipe GenerationPersonal · of 25 ranked | 119 |
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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.