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Claude Opus 5 vs LongCat 2.0 (medium)

The average score is effectively tied at 7.1 vs 7.2. LongCat 2.0 (medium) has the lower benchmark cost at $0.593 vs $2.766. Claude Opus 5 is faster at 10.78s vs 144.88s, with pass rates of 55.1% vs 59.4%.

Last updated at: 2026-10-01

Compared models

Rank
#149
Total Output Tokens
31,386
Response Time (avg)
10.78s
Total Cost
$2.766
Rank
#145
Total Output Tokens
422,234
Response Time (avg)
144.88s
Total Cost
$0.593
Recommended model LongCat 2.0 (medium)

It has the best score here (7.2), while costing about 4.7x less than Claude Opus 5.

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 LongCat 2.0 LongCat 2.0 medium Release: 2026-07-20
Score 7.1 7.2
Rank #149 #145
Reliability 10.0 10.0
Consistency 9.6 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 55.1% 59.4%
Flaky tests 1 3
Total Runs 69 69
Cost per result 23.044 4.942
Total Cost $2.766 $0.593
Input Price $5.000 / 1M $0.300 / 1M
Output Price $25.000 / 1M $1.200 / 1M
Total Input Tokens 396,120 287,669
Output Tokens 31,386 47,204
Reasoning Tokens 0 375,030
Response Time (avg) 10.78s 144.88s
Response Time (max) 79.61s 939.52s
Response Time (total) 247.96s 3332.19s
Parameters ~5T total (~500B 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.

#149 Claude Opus 5

none
Cost
$0.271
Time
149.3s
Tokens
10,962 tok

#145 LongCat 2.0

medium
Cost
$0.016
Time
285.1s
Tokens
13,057 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 Opus 5 5.9 9.7 33.3% 0 5.54s 10,590 2,886 0
LongCat 2.0 10.0 10.0 100.0% 0 455.00s 7,419 533 214,143

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