Mistral Small 3 vs Codestral
Performance benchmarks + pricing comparison — updated April 2026
Mistral Small 3
MistralMistral's cost-effective model. Very affordable for general-purpose tasks.
| Input | $0.100/M |
| Output | $0.300/M |
| Context | 32K tokens |
| Best For | High-volume tasks, cost optimization |
| Benchmark | 42/100 |
Codestral
MistralMistral's dedicated coding model. Open-weight and highly optimized for code generation and completion.
| Input | $0.300/M |
| Output | $0.900/M |
| Context | 128K tokens |
| Best For | Code completion, code generation, IDE integration |
| Benchmark | 60/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | Mistral Small 3 | Codestral | Leader |
|---|---|---|---|
| Overall Score | 42 | 60 | Mistral Codestral leads by 18pts |
| SWE-bench Verified | 35 | 54 | Mistral Codestral leads by 19pts |
| LiveCodeBench | 44 | 64 | Mistral Codestral leads by 20pts |
| HumanEval | 65 | 82 | Mistral Codestral leads by 17pts |
| BigCodeBench | 28 | 44 | Mistral Codestral leads by 16pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Mistral Small 3 | Codestral | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.01 | $0.04 | Mistral Small 3 saves $0.02 (67%) |
| Medium Feature (10K lines) | $0.10 | $0.29 | Mistral Small 3 saves $0.19 (67%) |
| Large Project (50K lines) | $0.47 | $1.43 | Mistral Small 3 saves $0.95 (67%) |
| Code Review (5K lines) | $0.02 | $0.07 | Mistral Small 3 saves $0.05 (67%) |
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 |
|---|---|---|---|
| Mistral Small 3 | 42 | $0.002/pt | Better value |
| Codestral | 60 | $0.005/pt | Higher cost per point |
Mistral Small 3 delivers the best value at $0.002 per score point.
Strengths & Weaknesses
Mistral Small 3
- + Ultra-cheap
- - Very limited capabilities
Codestral
- + Code-specialized
- + Very cheap
- - Narrow focus
Verdict
Mistral Small 3 is cheaper at $0.100/M, but Codestral scores higher on benchmarks (60 vs 42).
Choose Mistral Small 3 for cost-sensitive projects, Codestral when performance matters most.
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