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Anthropic: Claude Sonnet 5 vs Cobuddy

Summary

Claude Sonnet 5 vs Cobuddy benchmark comparison: Claude Sonnet 5 leads on average score with 5.7 vs 4.9. Cobuddy has the lower benchmark cost at $0.000 vs $0.287. Claude Sonnet 5 is faster at 4.74s vs 39.90s, with pass rates of 42.9% vs 47.6%.

Recommended model: Claude Sonnet 5 - It has the best score here (5.7), while responding about 8.4x faster than Cobuddy.

Last updated at: 2026-06-30

Metric Claude Sonnet 5 Claude Sonnet 5 none Release: 2026-06-30 Cobuddy Cobuddy medium Release: 2026-05-06
Score 5.7 4.9
Rank #117 #143
Reliability 10.0 10.0
Consistency 8.6 7.5
Tests Correct
Attempt pass rate 42.9% 47.6%
Flaky tests 4 6
Total Runs 63 63
Cost per result 4.098 0.000
Total Cost $0.287 $0.000
Input Price $2.000 / 1M $0.000 / 1M
Output Price $10.000 / 1M $0.000 / 1M
Total Input Tokens 76,797 37,449
Output Tokens 13,325 1,677
Reasoning Tokens 0 116,703
Response Time (avg) 4.74s 39.90s
Response Time (max) 29.46s 309.02s
Response Time (total) 99.46s 797.98s

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

#143 Cobuddy

medium
No endpoints found for baidu/cobuddy:free.
Cost
$0.000
Time
0.1s
Tokens
0 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
Cobuddy 8.7 7.9 91.7% 1 10.00s 453 98 4,666
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
Cobuddy 3.7 6.7 22.2% 1 79.17s 4,726 358 30,138
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
Cobuddy 3.0 10.0 0.0% 0 47.38s 18,324 465 7,265
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
Cobuddy 6.3 5.8 66.7% 1 17.36s 8,181 275 5,591
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
Cobuddy 2.9 4.4 22.2% 2 128.15s 540 10 49,454
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
Cobuddy 4.2 9.9 0.0% 0 23.23s 498 76 3,782
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
Cobuddy 9.8 10.0 100.0% 0 11.60s 508 64 2,842
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
Cobuddy 3.6 7.2 22.2% 1 12.83s 561 189 5,808
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
Cobuddy 10.0 10.0 100.0% 0 11.19s 3,505 133 294
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
Cobuddy 3.0 10.0 0.0% 0 36.98s 153 9 6,863

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