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LongCat 2.0 (low) vs GPT-5.5

The average score is effectively tied at 6.6 vs 6.6. LongCat 2.0 (low) has the lower benchmark cost at $0.495 vs $1.212. GPT-5.5 is faster at 4.75s vs 115.00s, with pass rates of 55.1% vs 56.5%.

Last updated at: 2026-10-01

Compared models

Rank
#188
Total Output Tokens
346,225
Response Time (avg)
115.00s
Total Cost
$0.495
Rank
#185
Total Output Tokens
6,197
Response Time (avg)
4.75s
Total Cost
$1.212
Recommended model GPT-5.5

It has the best score here (6.6), while responding about 24.2x faster than LongCat 2.0 (low).

Detailed comparison

Metric LongCat 2.0 LongCat 2.0 low Release: 2026-07-20 GPT-5.5 GPT-5.5 none Release: 2026-04-24
Score 6.6 6.6
Rank #188 #185
Reliability 9.9 10.0
Consistency 8.3 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 55.1% 56.5%
Flaky tests 5 2
Total Runs 69 69
Cost per result 4.942 10.096
Total Cost $0.495 $1.212
Input Price $0.300 / 1M $5.000 / 1M
Output Price $1.200 / 1M $30.000 / 1M
Total Input Tokens 262,387 205,108
Output Tokens 7,344 6,197
Reasoning Tokens 338,881 0
Response Time (avg) 115.00s 4.75s
Response Time (max) 560.39s 57.53s
Response Time (total) 2645.11s 109.31s
Parameters 1.6T total (48B active) ~1.5T total (~100B active)
Availability Open source Closed

Model generation showcase

Hamster playing table tennis

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

#188 LongCat 2.0

low
Cost
$0.024
Time
428.0s
Tokens
19,557 tok

#185 GPT-5.5

none
Cost
$0.090
Time
54.3s
Tokens
3,063 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 6.6 4.6 77.8% 2 479.30s 6,544 461 206,627
GPT-5.5 5.5 10.0 33.3% 0 1.35s 7,305 462 0

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