How do Grok 4.5 and Composer 2.5 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 Composer 2.5 when publicly disclosed.

LLM Comparison

Grok 4.5 vs Composer 2.5: benchmark scores, pricing & comparison.

Q: Which is better: Grok 4.5 or Composer 2.5?

AskClash compares Grok 4.5 and Composer 2.5 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 Composer 2.5 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 Composer 2.5 model page

Rank #5 vs #14AskClash overall scores 78.7 vs 67.0.

Pricing $2.00/$6.00 vs $0.50/$2.50Input and output token prices per 1M tokens when published.

Proprietary vs ProprietaryxAI vs Cursor.

Grok 4.5 vs Composer 2.5 benchmark comparison

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

Metric	Grok 4.5	Composer 2.5
Overall Score	78.7	67.0
Leaderboard Rank	#5	#14
RWT	9.0	8.5
Coding Agent Index	76.4	33.8
HLE	40.3	—
GPQA	93.1	—
SWE-Pro	64.7	47.0
SWE-Atlas	83.9	72.0
Terminal-Bench	83.3	69.3
MMMU-Pro	80.4	—
Input Price (per 1M tokens)	$2.00	$0.50
Output Price (per 1M tokens)	$6.00	$2.50
Context Window	500K	200K
Benchmarks Published	9	4

Grok 4.5 vs Composer 2.5 head-to-head charts

Grok 4.5 leads 6 and Composer 2.5 leads 0 of 6 shared benchmarks. Composer 2.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Grok 4.5Composer 2.5

Overall

78.7Grok 4.5

67.0Composer 2.5

RWT

9.0Grok 4.5

8.5Composer 2.5

Coding Agent Index

76.4Grok 4.5

33.8Composer 2.5

SWE-Pro

64.7Grok 4.5

47.0Composer 2.5

SWE-Atlas

83.9Grok 4.5

72.0Composer 2.5

Terminal-Bench

83.3Grok 4.5

69.3Composer 2.5

Grok 4.5

Input$2.00

Output$6.00

Workload$3.20

Context500K

Composer 2.5

Input$0.50

Output$2.50

Workload$1.00

Context200K

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

More Grok 4.5 and Composer 2.5 comparisons

Explore how Grok 4.5 and Composer 2.5 stack up against other top-ranked LLMs.

Claude Fable 5 vs Grok 4.5 Claude Fable 5 vs Composer 2.5 GPT-5.6 Sol vs Grok 4.5 GPT-5.6 Sol vs Composer 2.5 Kimi K3 vs Grok 4.5 Kimi K3 vs Composer 2.5 Claude Opus 4.8 vs Grok 4.5 Claude Opus 4.8 vs Composer 2.5 Grok 4.5 vs Muse Spark 1.1 Muse Spark 1.1 vs Composer 2.5

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.