How do Claude Opus 5.5 and Muse Spark 1.3 Max compare on coding benchmarks?

The comparison table shows SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, DeepSWE, and coding agent index scores for both Claude Opus 5.5 and Muse Spark 1.3 Max when publicly disclosed.

LLM Comparison

Claude Opus 5.5 vs Muse Spark 1.3 Max: benchmark scores, pricing & comparison.

Q: Which is better: Claude Opus 5.5 or Muse Spark 1.3 Max?

AskClash compares Claude Opus 5.5 and Muse Spark 1.3 Max side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, AskClash ACB, and context window so you can see which model wins on each benchmark.

Side-by-side Claude Opus 5.5 vs Muse Spark 1.3 Max comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.

Open live leaderboard Claude Opus 5.5 model page Muse Spark 1.3 Max model page

Rank #2 vs #24AskClash overall scores 79.6 vs 63.3.

Pricing $4.00/$20.0 vs —/—Input and output token prices per 1M tokens when published.

Proprietary vs Open WeightsAnthropic vs Meta.

Claude Opus 5.5 vs Muse Spark 1.3 Max benchmark comparison

Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.

Metric	Claude Opus 5.5	Muse Spark 1.3 Max
Overall Score	79.6	63.3
Leaderboard Rank	#2	#24
ACB	76.5	62.6
RWT	—	7.5
HLE	67.7	48.7
GPQA	—	93.5
SWE-Pro	89.9	—
Terminal-Bench	87.6	—
DeepSWE	74.2	—
GDPval-AA	1846.2	1674.1
Finance Agent	58.6	60.0
MMMU-Pro	87.7	—
Input Price (per 1M tokens)	$4.00	—
Output Price (per 1M tokens)	$20.0	—
Context Window	1M	1M
Benchmarks Published	11	8

Claude Opus 5.5 vs Muse Spark 1.3 Max head-to-head charts

Claude Opus 5.5 leads 4 and Muse Spark 1.3 Max leads 1 of 5 shared benchmarks. Charts show only benchmarks both models publish.

Claude Opus 5.5Muse Spark 1.3 Max

Overall

79.6Claude Opus 5.5

63.3Muse Spark 1.3 Max

ACB

76.5Claude Opus 5.5

62.6Muse Spark 1.3 Max

HLE

67.7Claude Opus 5.5

48.7Muse Spark 1.3 Max

GDPval-AA

1846.2Claude Opus 5.5

1674.1Muse Spark 1.3 Max

Finance Agent

58.6Claude Opus 5.5

60.0Muse Spark 1.3 Max

Claude Opus 5.5

Input$4.00

Output$20.0

Workload$8.00

Context1M

Muse Spark 1.3 Max

Input—

Output—

Workload—

Context1M

Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.

More Claude Opus 5.5 and Muse Spark 1.3 Max comparisons

Explore how Claude Opus 5.5 and Muse Spark 1.3 Max stack up against other top-ranked LLMs.

Claude Fable 5.1 vs Claude Opus 5.5 Claude Fable 5.1 vs Muse Spark 1.3 Max Claude Opus 5.5 vs Claude Fable 5 Claude Fable 5 vs Muse Spark 1.3 Max Claude Opus 5.5 vs GPT-5.6 Sol GPT-5.6 Sol vs Muse Spark 1.3 Max Claude Opus 5.5 vs Claude Opus 5 Claude Opus 5 vs Muse Spark 1.3 Max Claude Opus 5.5 vs GPT-6 Astra GPT-6 Astra vs Muse Spark 1.3 Max

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

Token pricing

Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.

Coverage matters

Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.

This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.