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Claude Fable 5.1 (low) vs GLM 5.1 (medium)

GLM 5.1 (medium) leads on average score with 7.0 vs 6.9. GLM 5.1 (medium) has the lower benchmark cost at $0.727 vs $2.565. Claude Fable 5.1 (low) is faster at 10.33s vs 58.80s, with pass rates of 56.1% vs 65.2%.

Last updated at: 2026-09-02

Rank
#130
Total Output Tokens
24,375
Response Time (avg)
10.33s
Total Cost
$2.565
Rank
#123
Total Output Tokens
215,889
Response Time (avg)
58.80s
Total Cost
$0.727
Recommended model Claude Fable 5.1 (low)

Its score stays close to the best score here (6.9 vs 7.0), while responding about 5.7x faster than GLM 5.1 (medium).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 low Release: 2026-09-02 GLM 5.1 GLM 5.1 medium Release: 2026-04-07
Score 6.9 7.0
Rank #130 #123
Reliability 10.0 8.1
Consistency 9.2 8.4
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 56.1% 65.2%
Flaky tests 2 4
Total Runs 66 66
Cost per result 23.315 6.923
Total Cost $2.565 $0.727
Input Price $10.000 / 1M $0.966 / 1M
Output Price $50.000 / 1M $3.036 / 1M
Total Input Tokens 134,582 82,592
Output Tokens 8,955 16,089
Reasoning Tokens 15,420 199,800
Response Time (avg) 10.33s 58.80s
Response Time (max) 33.10s 308.75s
Response Time (total) 227.37s 1234.72s
Parameters ~9.5T total (~878B active) 744B total (40B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#130 Claude Fable 5.1

low
Cost
$0.126
Time
28.5s
Tokens
2,652 tok

#123 GLM 5.1

medium
Invalid SVG
Cost
$0.000
Time
300.0s
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 3.4 10.0 0.0% 0 6.75s 10,608 1,753 0
GLM 5.1 4.6 3.7 44.5% 2 109.63s 5,702 4,871 37,826

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