LLM Comparison

Composer 2.5 vs GPT-6 Luna: benchmark scores, pricing & comparison.

Side-by-side Composer 2.5 vs GPT-6 Luna 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.

Rank #48 vs #56AskClash overall scores 48.0 vs 43.8.
Pricing $0.50/$2.50 vs $0.10/$0.50Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryCursor vs OpenAI.

Composer 2.5 vs GPT-6 Luna benchmark comparison

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

MetricComposer 2.5GPT-6 Luna
Overall Score48.043.8
Leaderboard Rank#48#56
ACB53.250.2
RWT8.5
Coding Agent Index62.041.1
HLE38.5
SWE-Pro47.0
SWE-Atlas72.044.4
Terminal-Bench69.3
DeepSWE66.6
GDPval-AA1367.1
MMMU-Pro75.5
ARC-AGI 259.3
Input Price (per 1M tokens)$0.50$0.10
Output Price (per 1M tokens)$2.50$0.50
Context Window200K1.05M
Benchmarks Published59

Composer 2.5 vs GPT-6 Luna head-to-head charts

Composer 2.5 leads 4 and GPT-6 Luna leads 0 of 4 shared benchmarks. GPT-6 Luna is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

Composer 2.5GPT-6 Luna
Overall
48.0Composer 2.5
43.8GPT-6 Luna
ACB
53.2Composer 2.5
50.2GPT-6 Luna
Coding Agent Index
62.0Composer 2.5
41.1GPT-6 Luna
SWE-Atlas
72.0Composer 2.5
44.4GPT-6 Luna
Composer 2.5
Input$0.50
Output$2.50
Workload$1.00
Context200K
GPT-6 Luna
Input$0.10
Output$0.50
Workload$0.20
Context1.05M

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

More Composer 2.5 and GPT-6 Luna comparisons

Explore how Composer 2.5 and GPT-6 Luna stack up against other top-ranked LLMs.

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.