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Claude Sonnet 5 vs LongCat 2.0

LongCat 2.0 leads on average score with 6.4 vs 6.1. LongCat 2.0 has the lower benchmark cost at $0.044 vs $0.548. LongCat 2.0 is faster at 5.17s vs 6.05s, with pass rates of 40.9% vs 40.9%.

Last updated at: 2026-08-20

Rank
#168
Total Output Tokens
22,508
Response Time (avg)
6.05s
Total Cost
$0.548
Rank
#159
Total Output Tokens
9,375
Response Time (avg)
5.17s
Total Cost
$0.044
Recommended model LongCat 2.0

It has the best score here (6.4), while costing about 12.5x less than Claude Sonnet 5.

Detailed comparison

Metric Claude Sonnet 5 Claude Sonnet 5 none Release: 2026-06-30 LongCat 2.0 LongCat 2.0 none Release: 2026-07-20
Score 6.1 6.4
Rank #168 #159
Reliability 10.0 10.0
Consistency 8.7 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 40.9% 40.9%
Flaky tests 4 2
Total Runs 66 66
Cost per result 7.817 0.549
Total Cost $0.548 $0.044
Input Price $2.000 / 1M $0.300 / 1M
Output Price $10.000 / 1M $1.200 / 1M
Total Input Tokens 161,032 108,752
Output Tokens 22,508 9,375
Reasoning Tokens 0 0
Response Time (avg) 6.05s 5.17s
Response Time (max) 33.39s 48.38s
Response Time (total) 132.99s 113.83s
Parameters ~1T total (~100B active) 1.6T total (48B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#168 Claude Sonnet 5

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

#159 LongCat 2.0

none
Cost
$0.027
Time
411.7s
Tokens
22,283 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

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
LongCat 2.0 5.5 10.0 33.3% 0 2.85s 7,446 578 0

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