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Claude Sonnet 5.5 (max) vs Muse Spark Open (high)

The average score is effectively tied at 9.2 vs 9.2. Muse Spark Open (high) has the lower benchmark cost at $1.782 vs $8.557. Claude Sonnet 5.5 (max) is faster at 84.26s vs 151.96s, with pass rates of 82.6% vs 76.8%.

Last updated at: 2026-10-16

Compared models

Rank
#34
Total Output Tokens
758,707
Response Time (avg)
84.26s
Total Cost
$8.557
Rank
#30
Total Output Tokens
339,545
Response Time (avg)
151.96s
Total Cost
$1.782
Recommended model Muse Spark Open (high)

It has the best score here (9.2), while costing about 4.8x less than Claude Sonnet 5.5 (max).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 max Release: 2026-09-29 Muse Spark Open Muse Spark Open high Release: 2026-10-15
Score 9.2 9.2
Rank #34 #30
Reliability 10.0 9.4
Consistency 9.4 9.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 82.6% 76.8%
Flaky tests 2 1
Total Runs 69 69
Cost per result 47.536 10.481
Total Cost $8.557 $1.782
Input Price $2.000 / 1M $1.250 / 1M
Output Price $10.000 / 1M $4.250 / 1M
Cache Read Price $0.200 / 1M $0.150 / 1M
Cache Write Price $2.500 / 1M N/A
Total Input Tokens 484,627 270,889
Output Tokens 11,026 10,688
Reasoning Tokens 747,681 328,857
Response Time (avg) 84.26s 151.96s
Response Time (max) 488.39s 960.01s
Response Time (total) 1937.91s 3495.01s
Parameters ~1T total (~100B active) 816B total (42B active)
Availability Closed Weights available

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.

#34 Claude Sonnet 5.5

max
OpenRouter returned no showcase content (finish_reason: length).
Cost
$0.000
Time
571.7s
Tokens
0 tok

#30 Muse Spark Open

high
Cost
$0.045
Time
239.2s
Tokens
10,710 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 Sonnet 5.5 10.0 10.0 100.0% 0 55.26s 10,608 580 70,730
Muse Spark Open 10.0 10.0 100.0% 0 33.49s 8,478 1,743 33,344

Quick Compare

Switch Comparison Pair

Claude Sonnet 5.5maxvsQwen3.8 MAXmediumClaude Opus 5.5mediumvsMuse Spark OpenhighClaude Sonnet 5.5maxvsGPT-5.5mediumMuse Spark OpenhighvsGPT-5.5mediumClaude Sonnet 5.5maxvsMuse WondermediumMuse Spark OpenhighvsQwen3.8 MAXmediumClaude Sonnet 5.5maxvsQwen3.8 Max (0902)highClaude Sonnet 5.5maxvsGPT-5.3-CodexmediumClaude Sonnet 5.5maxvsMuse Spark 1.3highSeed 2.1 TurbolowvsMuse Spark OpenhighClaude Sonnet 5.5maxvsMuse WonderlowMuse Spark OpenhighvsGPT-5.3-Codexmedium