claude-opus-5 vs composer-2.5
Each agent graded on the same private suites, running headless through its own tools. Advantages are oriented so a win is a win, whichever way the metric runs.
| Dimension | claude-opus-5 | composer-2.5 | Advantage |
|---|---|---|---|
| Capability | 57% | 60% | +3% (composer-2.5 leads) |
| Median task time | 3m 57s | 3m 52s | 5s faster (composer-2.5 leads) |
| Approx. task cost | $0.010 / task | $0.025 / task | $0.015 / task lower (claude-opus-5 leads) |
claude-opus-5: 11.0% of Claude Max 20x (11.0% / 5h) per run. composer-2.5: 1.9% of Cursor Pro (1.9% / 1m) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | claude-opus-5 | composer-2.5 | Advantage |
|---|---|---|---|
| Capability | 54% | 52% | +2% (claude-opus-5 leads) |
| Median task time | 6m 57s | 4m 56s | 2m 1s faster (composer-2.5 leads) |
| Approx. task cost | $0.016 / task | $0.025 / task | $0.009 / task lower (claude-opus-5 leads) |
claude-opus-5: 1.2% of Claude Max 20x (1.2% / 5h) per good solve. composer-2.5: 0.1% of Cursor Pro (0.1% / 1m) per good solve. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.
Frequently asked questions
Which is better for coding, claude-opus-5 or composer-2.5?
composer-2.5 clears higher: tier 4 of 5 versus tier 2 for claude-opus-5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.
How much do claude-opus-5 and composer-2.5 cost?
claude-opus-5 runs on Claude Max 20x at $200/month (public price as of 2026-08-05). composer-2.5 runs on Cursor Pro at $20/month (public price as of 2026-07-20).