claude-haiku-4-5 vs claude-opus-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 | claude-opus-5 | Advantage |
|---|---|---|---|
| Capability | 28% | 57% | +28% (claude-opus-5 leads) |
| Median task time | 3m 31s | 3m 57s | 26s faster (claude-haiku-4-5 leads) |
| Approx. task cost | $0.003 / task | $0.010 / task | $0.007 / task lower (claude-haiku-4-5 leads) |
claude-haiku-4-5: 3.0% of Claude Max 20x (3.0% / 5h, 1.0% / 1w) per run. claude-opus-5: 11.0% of Claude Max 20x (11.0% / 5h) 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 4870 vs claude-opus-5 1328 suite runs per month (claude-haiku-4-5 leads); per plan-dollar: 24.35 vs 6.64 (claude-haiku-4-5 leads). Work figures compare outputs, so unlike quota shares they are comparable across plans.
| Dimension | claude-haiku-4-5 | claude-opus-5 | Advantage |
|---|---|---|---|
| Capability | 23% | 54% | +30% (claude-opus-5 leads) |
| Median task time | 3m 50s | 6m 57s | 3m 7s faster (claude-haiku-4-5 leads) |
| Approx. task cost | $0.007 / task | $0.016 / task | $0.010 / task lower (claude-haiku-4-5 leads) |
claude-haiku-4-5: 0.5% of Claude Max 20x (0.5% / 5h) per good solve. claude-opus-5: 1.2% of Claude Max 20x (1.2% / 5h) per good solve. 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 29220 vs claude-opus-5 12175 good solves per month (claude-haiku-4-5 leads); per plan-dollar: 146.10 vs 60.88 (claude-haiku-4-5 leads). Work figures compare outputs, so unlike quota shares they are comparable across plans.
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 claude-opus-5?
claude-opus-5 clears higher: tier 2 of 5 versus tier 1 for claude-haiku-4-5 on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.
Which gives more work per dollar, claude-haiku-4-5 or claude-opus-5?
claude-haiku-4-5 delivers more benchmark work per subscription dollar: 24.35 suite runs per plan-dollar versus 6.64 for claude-opus-5 (at $200/month priced 2026-08-05, and $200/month priced 2026-08-05). Work figures compare outputs, so unlike raw quota shares they are comparable across plans.
How much do claude-haiku-4-5 and claude-opus-5 cost?
claude-haiku-4-5 runs on Claude Max 20x at $200/month (public price as of 2026-08-05). claude-opus-5 runs on Claude Max 20x at $200/month (public price as of 2026-08-05).