How do LongCat 2.0 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 LongCat 2.0 and Composer 2.5 when publicly disclosed.

LLM Comparison

LongCat 2.0 vs Composer 2.5: benchmark scores, pricing & comparison.

Q: Which is better: LongCat 2.0 or Composer 2.5?

AskClash compares LongCat 2.0 and Composer 2.5 side by side across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, AskClash ACB, and context window so you can see which model wins on each benchmark.

Side-by-side LongCat 2.0 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 LongCat 2.0 model page Composer 2.5 model page

Rank #27 vs #56AskClash overall scores 46.5 vs 22.0.

Pricing $0.75/$2.95 vs $0.50/$2.50Input and output token prices per 1M tokens when published.

Open Weight vs ProprietaryMeituan vs Cursor.

LongCat 2.0 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	LongCat 2.0	Composer 2.5
Overall Score	46.5	22.0
Leaderboard Rank	#27	#56
ACB	—	53.2
RWT	—	8.5
Coding Agent Index	—	38.3
GPQA	88.9	—
IFEval	90.0	—
SWE-Pro	59.5	47.0
SWE-Atlas	—	72.0
Terminal-Bench	70.8	69.3
Tau2	88.2	—
Input Price (per 1M tokens)	$0.75	$0.50
Output Price (per 1M tokens)	$2.95	$2.50
Context Window	1M	200K
Benchmarks Published	5	5

LongCat 2.0 vs Composer 2.5 head-to-head charts

LongCat 2.0 leads 3 and Composer 2.5 leads 0 of 3 shared benchmarks. Composer 2.5 is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.

LongCat 2.0Composer 2.5

Overall

46.5LongCat 2.0

22.0Composer 2.5

SWE-Pro

59.5LongCat 2.0

47.0Composer 2.5

Terminal-Bench

70.8LongCat 2.0

69.3Composer 2.5

LongCat 2.0

Input$0.75

Output$2.95

Workload$1.34

Context1M

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 LongCat 2.0 and Composer 2.5 comparisons

Explore how LongCat 2.0 and Composer 2.5 stack up against other top-ranked LLMs.

Claude Opus 5 vs LongCat 2.0 Claude Opus 5 vs Composer 2.5 Claude Fable 5 vs LongCat 2.0 Claude Fable 5 vs Composer 2.5 GLM-5.3 vs LongCat 2.0 GLM-5.3 vs Composer 2.5 Grok 4.6 vs LongCat 2.0 Grok 4.6 vs Composer 2.5 GPT-5.6 Sol vs LongCat 2.0 GPT-5.6 Sol 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.