GPT-4o mini vs Mistral Nemo
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o mini
OpenAIAffordable small model. Fast and cost-effective for high-volume coding tasks.
| Input | $0.150/M |
| Output | $0.600/M |
| Context | 128K tokens |
| Best For | High-volume tasks, simple coding, cost-sensitive projects |
| Benchmark | 58/100 |
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 | GPT-4o mini | Mistral Nemo | Leader |
|---|---|---|---|
| Overall Score | 58 | 48 | GPT-4o Mini leads by 10pts |
| SWE-bench Verified | 50 | 40 | GPT-4o Mini leads by 10pts |
| LiveCodeBench | 60 | 50 | GPT-4o Mini leads by 10pts |
| HumanEval | 78 | 70 | GPT-4o Mini leads by 8pts |
| BigCodeBench | 44 | 32 | GPT-4o Mini leads by 12pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o mini | Mistral Nemo | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.02 | <$0.01 | Mistral Nemo saves $0.01 (60%) |
| Medium Feature (10K lines) | $0.18 | $0.08 | Mistral Nemo saves $0.10 (55%) |
| Large Project (50K lines) | $0.92 | $0.41 | Mistral Nemo saves $0.51 (55%) |
| Code Review (5K lines) | $0.05 | $0.03 | Mistral Nemo saves $0.02 (36%) |
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 |
|---|---|---|---|
| GPT-4o mini | 58 | $0.003/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
GPT-4o mini
- + Very cheap
- + Fast responses
- - Struggles with multi-step reasoning
Mistral Nemo
- + Open weight
- + Self-hostable
- - Basic coding ability
Verdict
GPT-4o mini wins on both price and performance — $0.150/M input with a benchmark score of 58/100.
For most developers, this is the clear choice between these two models.
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