OpenAI o1 vs OpenAI o1-mini
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o1
OpenAIReasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.
| Input | $15.00/M |
| Output | $60.00/M |
| Context | 200K tokens |
| Best For | Complex math, advanced coding, scientific reasoning |
| Benchmark | 83/100 |
OpenAI o1-mini
OpenAICost-effective reasoning model. Good for coding tasks that require logical reasoning.
| Input | $1.10/M |
| Output | $4.40/M |
| Context | 128K tokens |
| Best For | Coding logic, debugging, algorithm design |
| Benchmark | 70/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | OpenAI o1 | OpenAI o1-mini | Leader |
|---|---|---|---|
| Overall Score | 83 | 70 | o1 leads by 13pts |
| SWE-bench Verified | 80 | 64 | o1 leads by 16pts |
| LiveCodeBench | 84 | 72 | o1 leads by 12pts |
| HumanEval | 95 | 90 | o1 leads by 5pts |
| BigCodeBench | 73 | 54 | o1 leads by 19pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | OpenAI o1-mini | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | $0.17 | OpenAI o1-mini saves $2.15 (93%) |
| Medium Feature (10K lines) | $17.25 | $1.27 | OpenAI o1-mini saves $15.98 (93%) |
| Large Project (50K lines) | $86.25 | $6.33 | OpenAI o1-mini saves $79.92 (93%) |
| Code Review (5K lines) | $4.13 | $0.30 | OpenAI o1-mini saves $3.82 (93%) |
Value Analysis (Price per Benchmark Score Point)
Lower is better — how much you pay for each point of benchmark performance.
| Model | Overall Score | Price per Score Point | Verdict |
|---|---|---|---|
| OpenAI o1 | 83 | $0.181/pt | Higher cost per point |
| OpenAI o1-mini | 70 | $0.016/pt | Better value |
OpenAI o1-mini delivers the best value at $0.016 per score point.
Strengths & Weaknesses
OpenAI o1
- + Strong step-by-step reasoning
- + Best at math-heavy coding
- - Expensive
- - Slow
OpenAI o1-mini
- + Reasoning at lower cost
- + Good for competitive programming
- - Slower than standard models
Verdict
OpenAI o1-mini is cheaper at $1.10/M, but OpenAI o1 scores higher on benchmarks (83 vs 70).
Choose OpenAI o1-mini for cost-sensitive projects, OpenAI o1 when performance matters most.
Compare with Other Models
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