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

The average score is effectively tied at 7.3 vs 7.2. Qwen3.5-27B has the lower benchmark cost at $0.116 vs $0.778. Qwen3.5-27B is faster at 9.98s vs 151.67s, with pass rates of 53.6% vs 47.8%.

Last updated at: 2026-10-19

Compared models

Rank
#165
Total Output Tokens
404,635
Response Time (avg)
151.67s
Total Cost
$0.778
Rank
#168
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 6.7x less than LongCat 2.0 (high).

Detailed comparison

Metric LongCat 2.0 LongCat 2.0 high Release: 2026-07-20 Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24
Score 7.3 7.2
Rank #165 #168
Reliability 10.0 10.0
Consistency 8.5 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 53.6% 47.8%
Flaky tests 4 2
Total Runs 69 69
Cost per result 5.681 1.153
Total Cost $0.778 $0.116
Input Price $0.300 / 1M $0.195 / 1M
Output Price $1.200 / 1M $1.560 / 1M
Cache Read Price $0.006 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 275,080 283,977
Output Tokens 32,447 36,422
Reasoning Tokens 372,188 0
Response Time (avg) 151.67s 9.98s
Response Time (max) 941.66s 124.53s
Response Time (total) 3488.43s 229.52s
Parameters 1.6T total (48B active) 27B
Availability Open source Open source

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#165 LongCat 2.0

high
Reached the allocated time limit (600 seconds) without receiving showcase output.
Cost
$0.000
Time
600.0s
Tokens
0 tok

#168 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 7.8 9.3 66.7% 0 505.33s 6,913 244 192,377
Qwen3.5-27B 5.8 10.0 33.3% 0 1.80s 7,913 415 0

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