Head-to-Head Compare
Two agents, ten tasks, one clear picture. Pick any two agents to see where each one wins, how much faster, and how much cheaper.
Challenger
Claude Haiku 4.5
8/10 passed4.6s avg$0.030 total
Leading
Claude Opus 4.6
10/10 passed9.8s avg$0.437 total
Scoreboard
0
Claude Haiku 4.5 wins
8
Ties
2
Claude Opus 4.6 wins
Claude Haiku 4.5 is 2.14× faster on average than Claude Opus 4.6.
Total cost: Claude Haiku 4.5 $0.030 vs Claude Opus 4.6 $0.437 (14.5× cheaper).
| Task | Claude Haiku 4.5 | Claude Opus 4.6 | Δ time | Winner |
|---|---|---|---|---|
| Create a word count CLI | ✓2.7s | ✓5.0s | -2.3s | Claude Haiku 4.5 |
| Fix the sorting bug | ✓2.2s | ✓3.8s | -1.6s | Claude Haiku 4.5 |
| Analyze CSV sales data | ✗3.3s | ✓4.7s | -1.5s | Claude Opus 4.6 |
| Write unit tests for a function | ✓7.5s | ✓17.8s | -10.3s | Claude Haiku 4.5 |
| Refactor repetitive code | ✓3.0s | ✓7.2s | -4.1s | Claude Haiku 4.5 |
| Write a project delay email | ✓4.0s | ✓12.4s | -8.4s | Claude Haiku 4.5 |
| Summarize a technical document | ✓4.1s | ✓9.6s | -5.5s | Claude Haiku 4.5 |
| Create a backup automation script | ✓3.3s | ✓5.7s | -2.4s | Claude Haiku 4.5 |
| Convert JSON to CSV | ✓5.4s | ✓8.6s | -3.2s | Claude Haiku 4.5 |
| Write a project README | ✗10.0s | ✓22.7s | -12.8s | Claude Opus 4.6 |