How do Grok 4.5 and Muse Spark 1.2 compare on coding benchmarks?

The comparison table shows SWE-bench, SWE-Pro, SWE-Atlas, Terminal-Bench, DeepSWE, and coding agent index scores for both Grok 4.5 and Muse Spark 1.2 when publicly disclosed.

LLM Comparison

Grok 4.5 vs Muse Spark 1.2: benchmark scores, pricing & comparison.

Q: Which is better: Grok 4.5 or Muse Spark 1.2?

AskClash compares Grok 4.5 and Muse Spark 1.2 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 Grok 4.5 vs Muse Spark 1.2 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 Grok 4.5 model page Muse Spark 1.2 model page

Rank #10 vs #12AskClash overall scores 71.5 vs 70.4.

Pricing $2.00/$6.00 vs $1.25/$4.25Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryxAI vs Meta.

Grok 4.5 vs Muse Spark 1.2 benchmark comparison

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

Metric	Grok 4.5	Muse Spark 1.2
Overall Score	71.5	70.4
Leaderboard Rank	#10	#12
RWT	9.0	7.5
Coding Agent Index	76.4	—
HLE	40.3	62.1
GPQA	93.1	—
SWE-Pro	64.7	61.5
SWE-Atlas	83.9	—
Terminal-Bench	83.3	80.0
DeepSWE	—	59.0
OSWorld	—	80.8
MCP Atlas	—	82.2
Finance Agent	48.3	57.2
CharXiv	—	88.4
MMMU-Pro	80.4	—
ARC-AGI 2	52.6	—
MRCR	—	54.1
Input Price (per 1M tokens)	$2.00	$1.25
Output Price (per 1M tokens)	$6.00	$4.25
Context Window	500K	1M
Benchmarks Published	12	11

Grok 4.5 vs Muse Spark 1.2 head-to-head charts

Grok 4.5 leads 4 and Muse Spark 1.2 leads 2 of 6 shared benchmarks. Muse Spark 1.2 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Grok 4.5Muse Spark 1.2

Overall

71.5Grok 4.5

70.4Muse Spark 1.2

RWT

9.0Grok 4.5

7.5Muse Spark 1.2

HLE

40.3Grok 4.5

62.1Muse Spark 1.2

SWE-Pro

64.7Grok 4.5

61.5Muse Spark 1.2

Terminal-Bench

83.3Grok 4.5

80.0Muse Spark 1.2

Finance Agent

48.3Grok 4.5

57.2Muse Spark 1.2

Grok 4.5

Input$2.00

Output$6.00

Workload$3.20

Context500K

Muse Spark 1.2

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 Grok 4.5 and Muse Spark 1.2 comparisons

Explore how Grok 4.5 and Muse Spark 1.2 stack up against other top-ranked LLMs.

Claude Opus 5 vs Grok 4.5 Claude Opus 5 vs Muse Spark 1.2 Claude Fable 5 vs Grok 4.5 Claude Fable 5 vs Muse Spark 1.2 GPT-5.6 Sol vs Grok 4.5 GPT-5.6 Sol vs Muse Spark 1.2 Kimi K3 vs Grok 4.5 Kimi K3 vs Muse Spark 1.2 Qwen3.8 Max vs Grok 4.5 Qwen3.8 Max vs Muse Spark 1.2

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.