Claude Haiku 4.5 vs Claude Sonnet 4.5
Claude Haiku 4.5 costs 67% less at typical usage ($2.00 vs $6.00 per 1M tokens). Claude Sonnet 4.5 scores higher on 11 of 11 tasks.
| Spec | Claude Haiku 4.5 | Claude Sonnet 4.5 |
|---|---|---|
| Input /1M | $1.00 | $3.00 |
| Output /1M | $5.00 | $15.0 |
| Typical /1M | $2.00 | $6.00 |
| Context window | 200k | 200k |
| Speed | Blazing | Brisk |
| Privacy | Strong | Strong |
| Open weights | No | No |
Claude Haiku 4.5
Steady since we started tracking (Jul 13, 2026)
Claude Sonnet 4.5
Steady since we started tracking (Jul 13, 2026)
Quality by task
Coding88/95
Agents87/95
Reasoning84/93
Writing85/93
Chat88/91
Classify86/88
Extract86/90
Summarize87/92
Translate84/88
Vision84/90
General86/93
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Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.