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 | 63% | 60% | +3% (claude-haiku-4-5 leads) |
| Median task time | 3m 58s | 3m 57s | 0s faster (claude-opus-5 leads) |
| Approx. task cost | $0.005 / task | $0.010 / task | $0.005 / 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. claude-opus-5: 11.0% of Claude Max 20x (11.0% / 5h, 1.0% / 1w) 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 claude-opus-5 1328 suite runs per month (claude-haiku-4-5 leads); per plan-dollar: 14.61 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 | 24% | 63% | +39% (claude-opus-5 leads) |
| Median task time | 3m 4s | 5m 10s | 2m 6s faster (claude-haiku-4-5 leads) |
| Approx. task cost | $0.003 / task | $0.014 / task | $0.010 / task lower (claude-haiku-4-5 leads) |
claude-haiku-4-5: 1.0% of Claude Max 20x (1.0% / 5h) per run. claude-opus-5: 4.0% of Claude Max 20x (4.0% / 5h, 1.0% / 1w) 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 claude-opus-5 3653 suite runs per month (claude-haiku-4-5 leads); per plan-dollar: 73.05 vs 18.26 (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% | 69% | +46% (claude-opus-5 leads) |
| Median task time | 4m 18s | 4m 59s | 42s faster (claude-haiku-4-5 leads) |
| Approx. task cost | not measured | $0.011 / task | - |
claude-haiku-4-5: 0.0% of Claude Max 20x per good solve. claude-opus-5: 0.8% of Claude Max 20x (0.8% / 5h, 0.2% / 1w) 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 claude-opus-5?
claude-opus-5 clears higher: tier 4 of 5 versus tier 2 for claude-haiku-4-5 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 claude-opus-5?
claude-haiku-4-5 delivers more benchmark work per subscription dollar: 14.61 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).