How do Claude Opus 4.8 and Muse Spark 1.1 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 4.8 and Muse Spark 1.1 when publicly disclosed.

LLM Comparison

Claude Opus 4.8 vs Muse Spark 1.1: benchmark scores, pricing & comparison.

Q: Which is better: Claude Opus 4.8 or Muse Spark 1.1?

AskClash compares Claude Opus 4.8 and Muse Spark 1.1 side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, and context window so you can see which model wins on each benchmark.

Side-by-side Claude Opus 4.8 vs Muse Spark 1.1 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 4.8 model page Muse Spark 1.1 model page

Rank #4 vs #6AskClash overall scores 80.2 vs 77.5.

Pricing $5.00/$25.0 vs $1.25/$4.25Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryAnthropic vs Meta.

Claude Opus 4.8 vs Muse Spark 1.1 benchmark comparison

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

Metric	Claude Opus 4.8	Muse Spark 1.1
Overall Score	80.2	77.5
Leaderboard Rank	#4	#6
RWT	9.0	7.5
Coding Agent Index	72.5	—
HLE	57.9	62.1
GPQA	93.6	—
IFEval	62.2	—
SWE-bench	88.6	—
SWE-Pro	69.2	61.5
SWE-Atlas	82.5	—
Terminal-Bench	74.6	80.0
DeepSWE	59.0	—
OSWorld	83.4	80.8
MCP Atlas	82.2	88.1
Finance Agent	53.9	57.2
CharXiv	89.9	88.4
ARC-AGI 2	72.1	—
Tau2	94.4	—
MRCR	—	54.1
Input Price (per 1M tokens)	$5.00	$1.25
Output Price (per 1M tokens)	$25.0	$4.25
Context Window	1M	1M
Benchmarks Published	17	9

Claude Opus 4.8 vs Muse Spark 1.1 head-to-head charts

Claude Opus 4.8 leads 5 and Muse Spark 1.1 leads 4 of 9 shared benchmarks. Muse Spark 1.1 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Claude Opus 4.8Muse Spark 1.1

Overall

80.2Claude Opus 4.8

77.5Muse Spark 1.1

RWT

9.0Claude Opus 4.8

7.5Muse Spark 1.1

HLE

57.9Claude Opus 4.8

62.1Muse Spark 1.1

SWE-Pro

69.2Claude Opus 4.8

61.5Muse Spark 1.1

Terminal-Bench

74.6Claude Opus 4.8

80.0Muse Spark 1.1

OSWorld

83.4Claude Opus 4.8

80.8Muse Spark 1.1

MCP Atlas

82.2Claude Opus 4.8

88.1Muse Spark 1.1

Finance Agent

53.9Claude Opus 4.8

57.2Muse Spark 1.1

CharXiv

89.9Claude Opus 4.8

88.4Muse Spark 1.1

Claude Opus 4.8

Input$5.00

Output$25.0

Workload$10

Context1M

Muse Spark 1.1

Input$1.25

Output$4.25

Workload$2.10

Context1M

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

More Claude Opus 4.8 and Muse Spark 1.1 comparisons

Explore how Claude Opus 4.8 and Muse Spark 1.1 stack up against other top-ranked LLMs.

Claude Fable 5 vs Claude Opus 4.8 Claude Fable 5 vs Muse Spark 1.1 GPT-5.6 Sol vs Claude Opus 4.8 GPT-5.6 Sol vs Muse Spark 1.1 Kimi K3 vs Claude Opus 4.8 Kimi K3 vs Muse Spark 1.1 Claude Opus 4.8 vs Grok 4.5 Grok 4.5 vs Muse Spark 1.1 Claude Opus 4.8 vs GPT-5.5 Muse Spark 1.1 vs GPT-5.5

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.