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Anthropic: Claude Sonnet 5 vs Mistral: Mistral Small 4

Summary

Claude Sonnet 5 vs Mistral Small 4 benchmark comparison: Claude Sonnet 5 leads on average score with 5.7 vs 5.1. Mistral Small 4 has the lower benchmark cost at $0.068 vs $0.287. Claude Sonnet 5 is faster at 4.74s vs 9.40s, with pass rates of 42.9% vs 44.4%.

Recommended model: Mistral Small 4 - Its score stays close to the best score here (5.1 vs 5.7), while costing about 4.3x less than Claude Sonnet 5.

Last updated at: 2026-06-30

Metric Claude Sonnet 5 Claude Sonnet 5 none Release: 2026-06-30 Mistral Small 4 Mistral Small 4 medium Release: 2026-03-16
Score 5.7 5.1
Rank #117 #136
Reliability 10.0 10.0
Consistency 8.6 6.9
Tests Correct
Attempt pass rate 42.9% 44.4%
Flaky tests 4 8
Total Runs 63 63
Cost per result 4.098 1.344
Total Cost $0.287 $0.068
Input Price $2.000 / 1M $0.150 / 1M
Output Price $10.000 / 1M $0.600 / 1M
Total Input Tokens 76,797 42,576
Output Tokens 13,325 24,184
Reasoning Tokens 0 84,678
Response Time (avg) 4.74s 9.40s
Response Time (max) 29.46s 59.15s
Response Time (total) 99.46s 197.39s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#117 Claude Sonnet 5

none
Cost
$0.061
Time
53.7s
Tokens
6,172 tok

#136 Mistral Small 4

medium
Cost
$0.006
Time
47.9s
Tokens
9,857 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 5.3 10.0 25.0% 0 3.60s 834 1,813 0
Mistral Small 4 5.6 3.8 66.7% 3 2.67s 708 4,055 4,778
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.6 7.9 22.2% 1 3.67s 10,590 1,864 0
Mistral Small 4 4.4 5.1 33.3% 2 39.98s 7,636 11,635 54,715
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 3.0 10.0 0.0% 0 29.46s 38,775 6,340 0
Mistral Small 4 3.0 10.0 0.0% 0 25.25s 18,706 2,612 10,700
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 3.01s 10,503 309 0
Mistral Small 4 7.3 5.9 83.3% 1 1.23s 6,171 335 723
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 5.3 7.2 44.4% 1 3.28s 975 933 0
Mistral Small 4 5.3 7.2 44.4% 1 6.11s 742 2,621 6,904
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.7 3.1 33.3% 1 2.81s 708 272 0
Mistral Small 4 4.8 10.0 0.0% 0 2.05s 519 821 828
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 6.4 10.0 50.0% 0 2.58s 909 103 0
Mistral Small 4 7.3 5.8 83.3% 1 1.38s 729 540 1,031
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 6.0 7.4 55.6% 1 3.22s 894 778 0
Mistral Small 4 3.4 9.7 0.0% 0 2.17s 735 1,226 2,632
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 6.80s 12,351 522 0
Mistral Small 4 10.0 10.0 100.0% 0 3.50s 6,420 321 810
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 3.0 10.0 0.0% 0 4.31s 258 391 0
Mistral Small 4 3.0 10.0 0.0% 0 5.92s 210 18 1,557

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