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Claude Fable 5 (medium) vs Muse Spark 1.2 (high)

The average score is effectively tied at 8.9 vs 8.9. Muse Spark 1.2 (high) has the lower benchmark cost at $2.018 vs $5.089. Claude Fable 5 (medium) is faster at 16.84s vs 28.15s, with pass rates of 79.7% vs 75.4%.

Last updated at: 2026-10-26

Compared models

Rank
#63
Total Output Tokens
47,285
Response Time (avg)
16.84s
Total Cost
$5.089
Rank
#60
Total Output Tokens
392,846
Response Time (avg)
28.15s
Total Cost
$2.018
Recommended model Muse Spark 1.2 (high)

It has the best score here (8.9), while costing about 2.5x less than Claude Fable 5 (medium).

Detailed comparison

Metric Claude Fable 5 Claude Fable 5 medium Release: 2026-06-10 Muse Spark 1.2 Muse Spark 1.2 high Release: 2026-08-06
Score 8.9 8.9
Rank #63 #60
Reliability 10.0 9.9
Consistency 9.6 8.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 79.7% 75.4%
Flaky tests 1 5
Total Runs 69 69
Cost per result 28.269 13.448
Total Cost $5.089 $2.018
Input Price $10.000 / 1M $1.250 / 1M
Output Price $50.000 / 1M $4.250 / 1M
Cache Read Price $1.000 / 1M $0.150 / 1M
Cache Write Price $12.500 / 1M N/A
Total Input Tokens 272,411 277,967
Output Tokens 35,497 9,240
Reasoning Tokens 11,788 383,606
Response Time (avg) 16.84s 28.15s
Response Time (max) 80.80s 192.00s
Response Time (total) 387.26s 647.40s
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.

#63 Claude Fable 5

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

#60 Muse Spark 1.2

high
Cost
$0.057
Time
34.7s
Tokens
13,356 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 1.2 10.0 10.0 100.0% 0 22.24s 7,275 351 47,857

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