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Claude Fable 5.2 (medium) vs Muse Spark 1.3 (medium)

Claude Fable 5.2 (medium) leads on average score with 9.1 vs 9.0. Muse Spark 1.3 (medium) has the lower benchmark cost at $1.712 vs $3.582. Claude Fable 5.2 (medium) is faster at 9.78s vs 39.83s, with pass rates of 88.4% vs 85.5%.

Last updated at: 2026-11-10

Compared models

Rank
#52
Total Output Tokens
30,464
Response Time (avg)
9.78s
Total Cost
$3.582
Rank
#57
Total Output Tokens
328,911
Response Time (avg)
39.83s
Total Cost
$1.712
Recommended model Claude Fable 5.2 (medium)

It has the best score here (9.1), while responding about 4.1x faster than Muse Spark 1.3 (medium).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 medium Release: 2026-11-09 Muse Spark 1.3 Muse Spark 1.3 medium Release: 2026-09-02
Score 9.1 9.0
Rank #52 #57
Reliability 9.4 10.0
Consistency 9.3 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 88.4% 85.5%
Flaky tests 2 3
Total Runs 69 69
Cost per result 18.849 9.507
Total Cost $3.582 $1.712
Input Price $8.000 / 1M $1.250 / 1M
Output Price $40.000 / 1M $4.250 / 1M
Cache Read Price $0.200 / 1M $0.150 / 1M
Cache Write Price $10.000 / 1M N/A
Total Input Tokens 295,326 250,676
Output Tokens 9,699 13,511
Reasoning Tokens 20,765 315,400
Response Time (avg) 9.78s 39.83s
Response Time (max) 52.36s 219.77s
Response Time (total) 224.98s 916.20s
Parameters ~9.5T total (~878B active) ~1T total (~50B active)
Availability Closed Closed

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.

#52 Claude Fable 5.2

medium
Cost
$0.098
Time
25.2s
Tokens
2,594 tok

#57 Muse Spark 1.3

medium
Cost
$0.025
Time
113.4s
Tokens
5,952 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 5.2 8.2 7.2 88.9% 1 8.02s 10,608 561 3,861
Muse Spark 1.3 10.0 10.0 100.0% 0 41.14s 7,275 1,182 46,737

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