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Anthropic: Claude Fable 5 vs Meta: Muse Spark 1.1

Claude Fable 5 (medium) leads on average score with 8.6 vs 8.3. Muse Spark 1.1 (low) has the lower benchmark cost at $0.647 vs $3.478. Muse Spark 1.1 (low) is faster at 11.45s vs 17.20s, with pass rates of 78.8% vs 69.7%.

Recommended modelMuse Spark 1.1 (low)Its score stays close to the best score here (8.3 vs 8.6), while costing about 5.4x less than Claude Fable 5 (medium).

Last updated at: 2026-07-17

Metric Claude Fable 5 Claude Fable 5 medium Release: 2026-06-10 Muse Spark 1.1 Muse Spark 1.1 low Release: 2026-07-16
Score 8.6 8.3
Rank #17 #24
Reliability 10.0 10.0
Consistency 9.6 8.5
Tests Correct
Attempt pass rate 78.8% 69.7%
Flaky tests 1 4
Total Runs 66 66
Cost per result 20.459 4.975
Total Cost $3.478 $0.647
Input Price $10.000 / 1M $1.250 / 1M
Output Price $50.000 / 1M $4.250 / 1M
Total Input Tokens 89,643 142,298
Output Tokens 41,360 10,847
Reasoning Tokens 10,269 99,467
Response Time (avg) 17.20s 11.45s
Response Time (max) 80.80s 54.15s
Response Time (total) 378.41s 251.92s

Hamster playing table tennis

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

#17 Claude Fable 5

medium
Cost
$0.606
Time
156.7s
Tokens
12,264 tok

#24 Muse Spark 1.1

low
Cost
$0.020
Time
39.2s
Tokens
4,947 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 10.0 10.0 100.0% 0 15.59s 10,590 7,383 1,318
Muse Spark 1.1 10.0 10.0 100.0% 0 10.34s 8,562 394 14,503

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