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Claude Fable 5.1 (medium) vs LongCat 2.0 (high)

The average score is effectively tied at 7.3 vs 7.3. LongCat 2.0 (high) has the lower benchmark cost at $0.569 vs $3.197. Claude Fable 5.1 (medium) is faster at 11.87s vs 151.67s, with pass rates of 78.3% vs 53.6%.

Last updated at: 2026-10-01

Compared models

Rank
#133
Total Output Tokens
32,506
Response Time (avg)
11.87s
Total Cost
$3.197
Rank
#136
Total Output Tokens
404,635
Response Time (avg)
151.67s
Total Cost
$0.569
Recommended model LongCat 2.0 (high)

It has the best score here (7.3), while costing about 5.6x less than Claude Fable 5.1 (medium).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 medium Release: 2026-09-02 LongCat 2.0 LongCat 2.0 high Release: 2026-07-20
Score 7.3 7.3
Rank #133 #136
Reliability 10.0 10.0
Consistency 7.9 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 53.6%
Flaky tests 6 4
Total Runs 69 69
Cost per result 21.312 5.681
Total Cost $3.197 $0.569
Input Price $10.000 / 1M $0.300 / 1M
Output Price $50.000 / 1M $1.200 / 1M
Total Input Tokens 157,142 275,080
Output Tokens 8,149 32,447
Reasoning Tokens 24,357 372,188
Response Time (avg) 11.87s 151.67s
Response Time (max) 36.59s 941.66s
Response Time (total) 272.91s 3488.43s
Parameters ~9.5T total (~878B 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.

#133 Claude Fable 5.1

medium
Cost
$0.244
Time
65.9s
Tokens
5,025 tok

#136 LongCat 2.0

high
Reached the allocated time limit (600 seconds) without receiving showcase output.
Cost
$0.000
Time
600.0s
Tokens
0 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 Fable 5.1 7.0 5.0 77.8% 2 10.99s 10,608 525 4,376
LongCat 2.0 7.8 9.3 66.7% 0 505.33s 6,913 244 192,377

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