How do Composer 2.5 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 Composer 2.5 and Muse Spark 1.1 when publicly disclosed.

LLM Comparison

Composer 2.5 vs Muse Spark 1.1: benchmark scores, pricing & comparison.

Q: Which is better: Composer 2.5 or Muse Spark 1.1?

AskClash compares Composer 2.5 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 Composer 2.5 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 Composer 2.5 model page Muse Spark 1.1 model page

Rank #12 vs #13AskClash overall scores 67.0 vs 65.9.

Pricing $0.50/$2.50 vs $1.25/$4.25Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryCursor vs Meta.

Composer 2.5 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	Composer 2.5	Muse Spark 1.1
Overall Score	67.0	65.9
Leaderboard Rank	#12	#13
RWT	8.5	7.5
Coding Agent Index	38.2	—
HLE	—	62.1
SWE-Pro	47.0	61.5
SWE-Atlas	72.0	—
Terminal-Bench	69.3	80.0
DeepSWE	—	53.3
OSWorld	—	80.8
MCP Atlas	—	88.1
Finance Agent	—	57.2
CharXiv	—	88.4
MRCR	—	54.1
Input Price (per 1M tokens)	$0.50	$1.25
Output Price (per 1M tokens)	$2.50	$4.25
Context Window	200K	1M
Benchmarks Published	5	12

Composer 2.5 vs Muse Spark 1.1 head-to-head charts

Composer 2.5 leads 2 and Muse Spark 1.1 leads 2 of 4 shared benchmarks. Composer 2.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Composer 2.5Muse Spark 1.1

Overall

67.0Composer 2.5

65.9Muse Spark 1.1

RWT

8.5Composer 2.5

7.5Muse Spark 1.1

SWE-Pro

47.0Composer 2.5

61.5Muse Spark 1.1

Terminal-Bench

69.3Composer 2.5

80.0Muse Spark 1.1

Composer 2.5

Input$0.50

Output$2.50

Workload$1.00

Context200K

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 Composer 2.5 and Muse Spark 1.1 comparisons

Explore how Composer 2.5 and Muse Spark 1.1 stack up against other top-ranked LLMs.

Claude Opus 5 vs Composer 2.5 Claude Opus 5 vs Muse Spark 1.1 Claude Fable 5 vs Composer 2.5 Claude Fable 5 vs Muse Spark 1.1 GPT-5.6 Sol vs Composer 2.5 GPT-5.6 Sol vs Muse Spark 1.1 Kimi K3 vs Composer 2.5 Kimi K3 vs Muse Spark 1.1 Qwen3.8 Max vs Composer 2.5 Qwen3.8 Max vs Muse Spark 1.1

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.