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LongCat 2.0 (medium) vs Qwen3.8 27B (medium)

The average score is effectively tied at 7.2 vs 7.2. Qwen3.8 27B (medium) has the lower benchmark cost at ~$0.073 vs $0.767. Qwen3.8 27B (medium) is faster at 40.09s vs 144.88s, with pass rates of 59.4% vs 66.7%.

Last updated at: 2026-10-17

Compared models

Rank
#171
Total Output Tokens
422,234
Response Time (avg)
144.88s
Total Cost
$0.767
Rank
#167
Total Output Tokens
170,696
Response Time (avg)
40.09s
Total Cost
~$0.073
Recommended model Qwen3.8 27B (medium)

It has the best score here (7.2), while costing about 10.5x less than LongCat 2.0 (medium).

Detailed comparison

Metric LongCat 2.0 LongCat 2.0 medium Release: 2026-07-20 Qwen3.8 27B Qwen3.8 27B medium Release: 2026-08-14 Free Available
Score 7.2 7.2
Rank #171 #167
Reliability 10.0 9.7
Consistency 9.0 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 59.4% 66.7%
Flaky tests 3 2
Total Runs 69 69
Cost per result 4.942 ~0.520
Total Cost $0.767 ~$0.073
Input Price $0.300 / 1M N/A
Output Price $1.200 / 1M N/A
Cache Read Price $0.006 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 287,669 277,164
Output Tokens 47,204 1,913
Reasoning Tokens 375,030 168,783
Response Time (avg) 144.88s 40.09s
Response Time (max) 939.52s 214.63s
Response Time (total) 3332.19s 881.89s
Parameters 1.6T total (48B active) 27.3B
Availability Open source Weights available

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.

#171 LongCat 2.0

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

#167 Qwen3.8 27B

medium
Cost
~$0.002
Time
43.4s
Tokens
2,956 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
Qwen3.8 27B 10.0 10.0 100.0% 0 40.50s 7,893 585 26,808

Switch Comparison Pair

Gemini 3.8 FlashlowvsQwen3.8 27BmediumFree AvailableLongCat 2.0mediumvsStep 3.7 FlashlowClaude Opus 4.8lowvsQwen3.8 27BmediumFree AvailableLongCat 2.0mediumvsQwen3.7 FlashhighClaude Opus 4.8lowvsLongCat 2.0mediumClaude Opus 5nonevsLongCat 2.0mediumGemini 3.8 FlashlowvsLongCat 2.0mediumQwen3.8 27BmediumFree AvailablevsStep 3.7 FlashlowLongCat 2.0mediumvsQwen3.5-27BnoneClaude Opus 5nonevsQwen3.8 27BmediumFree AvailableLongCat 2.0highvsQwen3.8 27BmediumFree AvailableLongCat 2.0mediumvsQwen3.8 Flash Nextxhigh