Benchmark scores
Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.
LLM Comparison
Claude Opus 4.8 vs Composer 2.5: benchmark scores, pricing & comparison.
Side-by-side Claude Opus 4.8 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.
Rank #4 vs #14AskClash overall scores 80.2 vs 67.0.
Pricing $5.00/$25.0 vs $0.50/$2.50Input and output token prices per 1M tokens when published.
Proprietary vs ProprietaryAnthropic vs Cursor.
Claude Opus 4.8 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 | Claude Opus 4.8 | Composer 2.5 |
|---|---|---|
| Overall Score | 80.2 | 67.0 |
| Leaderboard Rank | #4 | #14 |
| RWT | 9.0 | 8.5 |
| Coding Agent Index | 72.5 | 51.8 |
| HLE | 57.9 | — |
| GPQA | 93.6 | — |
| IFEval | 62.2 | — |
| SWE-bench | 88.6 | — |
| SWE-Pro | 69.2 | 47.0 |
| SWE-Atlas | 82.5 | 72.0 |
| Terminal-Bench | 74.6 | 69.3 |
| DeepSWE | 59.0 | — |
| OSWorld | 83.4 | — |
| MCP Atlas | 82.2 | — |
| Finance Agent | 53.9 | — |
| CharXiv | 89.9 | — |
| ARC-AGI 2 | 72.1 | — |
| Tau2 | 94.4 | — |
| Input Price (per 1M tokens) | $5.00 | $0.50 |
| Output Price (per 1M tokens) | $25.0 | $2.50 |
| Context Window | 1M | 200K |
| Benchmarks Published | 17 | 4 |
Claude Opus 4.8 vs Composer 2.5 head-to-head charts
Claude Opus 4.8 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.
Claude Opus 4.8Composer 2.5
Overall
RWT
Coding Agent Index
SWE-Pro
SWE-Atlas
Terminal-Bench
Claude Opus 4.8
Input$5.00
Output$25.0
Workload$10
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 Claude Opus 4.8 and Composer 2.5 comparisons
Explore how Claude Opus 4.8 and Composer 2.5 stack up against other top-ranked LLMs.
How to read this comparison
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.