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Claude Fable 5.1 (high) vs Qwen3.8 Max (medium)

The average score is effectively tied at 9.0 vs 9.0. Qwen3.8 Max (medium) has the lower benchmark cost at $0.771 vs $3.364. Claude Fable 5.1 (high) is faster at 13.59s vs 23.34s, with pass rates of 89.4% vs 80.3%.

Last updated at: 2026-09-02

Rank
#18
Total Output Tokens
40,071
Response Time (avg)
13.59s
Total Cost
$3.364
Rank
#21
Total Output Tokens
92,047
Response Time (avg)
23.34s
Total Cost
$0.771
Recommended model Qwen3.8 Max (medium)

It has the best score here (9.0), while costing about 4.4x less than Claude Fable 5.1 (high).

Detailed comparison

Metric Claude Fable 5.1 Claude Fable 5.1 high Release: 2026-09-02 Qwen3.8 Max Qwen3.8 Max medium Release: 2026-08-04
Score 9.0 9.0
Rank #18 #21
Reliability 10.0 10.0
Consistency 9.6 9.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 89.4% 80.3%
Flaky tests 1 1
Total Runs 66 66
Cost per result 17.701 4.532
Total Cost $3.364 $0.771
Input Price $10.000 / 1M $2.000 / 1M
Output Price $50.000 / 1M $6.000 / 1M
Total Input Tokens 135,958 109,055
Output Tokens 7,930 6,566
Reasoning Tokens 32,141 85,481
Response Time (avg) 13.59s 23.34s
Response Time (max) 40.17s 126.60s
Response Time (total) 298.90s 513.47s
Parameters ~9.5T total (~878B active) 2.4T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#18 Claude Fable 5.1

high
Cost
$0.384
Time
102.5s
Tokens
7,824 tok

#21 Qwen3.8 Max

medium
Cost
$0.028
Time
71.9s
Tokens
4,750 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 8.4 7.4 88.9% 1 13.91s 10,608 520 6,503
Qwen3.8 Max 10.0 10.0 100.0% 0 41.35s 7,893 430 23,804

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