OpenAI o1 vs Mistral Nemo
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 |
Mistral Nemo
MistralCompact 12B open-weight model co-developed with NVIDIA. Excellent coding performance at minimal cost.
| Input | $0.150/M |
| Output | $0.150/M |
| Context | 128K tokens |
| Best For | Self-hosted deployments, cost-sensitive coding, edge deployments |
| Benchmark | 48/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | OpenAI o1 | Mistral Nemo | Leader |
|---|---|---|---|
| Overall Score | 83 | 48 | o1 leads by 35pts |
| SWE-bench Verified | 80 | 40 | o1 leads by 40pts |
| LiveCodeBench | 84 | 50 | o1 leads by 34pts |
| HumanEval | 95 | 70 | o1 leads by 25pts |
| BigCodeBench | 73 | 32 | o1 leads by 41pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o1 | Mistral Nemo | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.32 | <$0.01 | Mistral Nemo saves $2.32 (100%) |
| Medium Feature (10K lines) | $17.25 | $0.08 | Mistral Nemo saves $17.17 (100%) |
| Large Project (50K lines) | $86.25 | $0.41 | Mistral Nemo saves $85.84 (100%) |
| Code Review (5K lines) | $4.13 | $0.03 | Mistral Nemo saves $4.09 (99%) |
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 |
| Mistral Nemo | 48 | $0.002/pt | Better value |
Mistral Nemo delivers the best value at $0.002 per score point.
Strengths & Weaknesses
OpenAI o1
- + Strong step-by-step reasoning
- + Best at math-heavy coding
- - Expensive
- - Slow
Mistral Nemo
- + Open weight
- + Self-hostable
- - Basic coding ability
Verdict
Mistral Nemo is cheaper at $0.150/M, but OpenAI o1 scores higher on benchmarks (83 vs 48).
Choose Mistral Nemo for cost-sensitive projects, OpenAI o1 when performance matters most.
Compare with Other Models
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Claude 3 Opus
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