Claude 3 Sonnet vs Mistral Large 2

Performance benchmarks + pricing comparison — updated April 2026

Claude 3 Sonnet

Anthropic

First generation Sonnet. Balanced performance for general tasks.

Input$3.00/M
Output$15.00/M
Context200K tokens
Best ForGeneral-purpose coding and reasoning
Benchmark65/100

Mistral Large 2

Mistral

Mistral's flagship model. Strong multilingual and coding capability.

Input$2.00/M
Output$6.00/M
Context128K tokens
Best ForEnterprise coding, multilingual tasks
Benchmark65/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkClaude 3 SonnetMistral Large 2Leader
Overall Score 65 65 Claude 3 Sonnet leads by 0pts
SWE-bench Verified 58 58 Claude 3 Sonnet leads by 0pts
LiveCodeBench 68 66 Claude 3 Sonnet leads by 2pts
HumanEval 85 84 Claude 3 Sonnet leads by 1pts
BigCodeBench 50 52 Mistral Large 2 leads by 2pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioClaude 3 SonnetMistral Large 2Savings
Small Script (1K lines) $0.55 $0.25 Mistral Large 2 saves $0.30 (55%)
Medium Feature (10K lines) $4.05 $1.90 Mistral Large 2 saves $2.15 (53%)
Large Project (50K lines) $20.25 $9.50 Mistral Large 2 saves $10.75 (53%)
Code Review (5K lines) $0.90 $0.50 Mistral Large 2 saves $0.40 (44%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
Claude 3 Sonnet 65 $0.046/pt Higher cost per point
Mistral Large 2 65 $0.031/pt Better value

Mistral Large 2 delivers the best value at $0.031 per score point.

Strengths & Weaknesses

Claude 3 Sonnet

  • + Reliable
  • + Good value
  • - Two generations behind

Mistral Large 2

  • + European data residency
  • + Good value
  • - Smaller ecosystem

Verdict

Mistral Large 2 is cheaper at $2.00/M, but Claude 3 Sonnet scores higher on benchmarks (65 vs 65).

Choose Mistral Large 2 for cost-sensitive projects, Claude 3 Sonnet when performance matters most.

Compare with Other Models