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LongCat 2.0 (medium) vs Qwen3.5-27B

Qwen3.5-27B leads on average score with 7.2 vs 7.2. Qwen3.5-27B has the lower benchmark cost at $0.116 vs $0.593. Qwen3.5-27B is faster at 9.98s vs 144.88s, with pass rates of 59.4% vs 47.8%.

Last updated at: 2026-10-01

Compared models

Rank
#145
Total Output Tokens
422,234
Response Time (avg)
144.88s
Total Cost
$0.593
Rank
#139
Total Output Tokens
36,422
Response Time (avg)
9.98s
Total Cost
$0.116
Recommended model Qwen3.5-27B

It has the best score here (7.2), while costing about 5.1x less than LongCat 2.0 (medium).

Detailed comparison

Metric LongCat 2.0 LongCat 2.0 medium Release: 2026-07-20 Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24
Score 7.2 7.2
Rank #145 #139
Reliability 10.0 10.0
Consistency 9.0 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 59.4% 47.8%
Flaky tests 3 2
Total Runs 69 69
Cost per result 4.942 1.153
Total Cost $0.593 $0.116
Input Price $0.300 / 1M $0.195 / 1M
Output Price $1.200 / 1M $1.560 / 1M
Total Input Tokens 287,669 283,977
Output Tokens 47,204 36,422
Reasoning Tokens 375,030 0
Response Time (avg) 144.88s 9.98s
Response Time (max) 939.52s 124.53s
Response Time (total) 3332.19s 229.52s
Parameters 1.6T total (48B active) 27B
Availability Open source Open source

Model generation showcase

Hamster playing table tennis

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

#145 LongCat 2.0

medium
Cost
$0.016
Time
285.1s
Tokens
13,057 tok

#139 Qwen3.5-27B

none
Cost
$0.007
Time
42.9s
Tokens
4,273 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
LongCat 2.0 10.0 10.0 100.0% 0 455.00s 7,419 533 214,143
Qwen3.5-27B 5.8 10.0 33.3% 0 1.80s 7,913 415 0

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