claude-haiku-4-5 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-haiku-4-5 | composer-2.5 | Advantage |
|---|---|---|---|
| Capability | 63% | 57% | +7% (claude-haiku-4-5 leads) |
| Median task time | 3m 58s | 1m 30s | 2m 27s faster (composer-2.5 leads) |
| Approx. task cost | $0.005 / task | $0.023 / task | $0.019 / task lower (claude-haiku-4-5 leads) |
claude-haiku-4-5: 5.0% of Claude Max 20x (5.0% / 5h, 1.0% / 1w) per run. composer-2.5: 1.8% of Cursor Pro (1.8% / 1m) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
Work per window: claude-haiku-4-5 2922 vs composer-2.5 57 suite runs per month (claude-haiku-4-5 leads); per plan-dollar: 14.61 vs 2.84 (claude-haiku-4-5 leads). Work figures compare outputs, so unlike quota shares they are comparable across plans.
| Dimension | claude-haiku-4-5 | composer-2.5 | Advantage |
|---|---|---|---|
| Capability | 24% | 51% | +27% (composer-2.5 leads) |
| Median task time | 3m 4s | 4m 30s | 1m 26s faster (claude-haiku-4-5 leads) |
| Approx. task cost | $0.003 / task | $0.029 / task | $0.025 / task lower (claude-haiku-4-5 leads) |
claude-haiku-4-5: 1.0% of Claude Max 20x (1.0% / 5h) per run. composer-2.5: 0.6% of Cursor Pro (0.6% / 1m) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
Work per window: claude-haiku-4-5 14610 vs composer-2.5 173 suite runs per month (claude-haiku-4-5 leads); per plan-dollar: 73.05 vs 8.66 (claude-haiku-4-5 leads). Work figures compare outputs, so unlike quota shares they are comparable across plans.
| Dimension | claude-haiku-4-5 | composer-2.5 | Advantage |
|---|---|---|---|
| Capability | 23% | 37% | +14% (composer-2.5 leads) |
| Median task time | 4m 18s | 1m 51s | 2m 26s faster (composer-2.5 leads) |
| Approx. task cost | not measured | $0.024 / task | - |
claude-haiku-4-5: 0.0% of Claude Max 20x 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-haiku-4-5 or composer-2.5?
Both clear tier 2 of 5, but claude-haiku-4-5 scores higher on capability: 63% versus 57% on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-18.
Which gives more work per dollar, claude-haiku-4-5 or composer-2.5?
claude-haiku-4-5 delivers more benchmark work per subscription dollar: 14.61 suite runs per plan-dollar versus 2.84 for composer-2.5 (at $200/month priced 2026-08-05, and $20/month priced 2026-07-20). Work figures compare outputs, so unlike raw quota shares they are comparable across plans.
How much do claude-haiku-4-5 and composer-2.5 cost?
claude-haiku-4-5 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).