tokevenClaude Haiku 4.5 vs Claude Sonnet 5
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Haiku 4.5
Fast / BudgetClaude Sonnet 5
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Haiku 4.5 vs Claude Sonnet 5
Choose Claude Haiku 4.5 when...
- -You need strong classification (confidence 90 vs 86)
- -You need strong extraction (confidence 88 vs 70)
- -You need strong summarization (confidence 82 vs 64)
- -You need strong code generation (confidence 72 vs 68)
- -Cost matters: 50% cheaper on input tokens
Choose Claude Sonnet 5 when...
- -You need strong code review (confidence 96 vs 70)
- -You need strong q&a (confidence 89 vs 86)
- -You need strong reasoning (confidence 89 vs 65)
- -You need strong creative writing (confidence 62 vs 60)
- -You need a larger context window (1M vs 200K)
At scale
Cost at scale
FAQ
When should I use Claude Haiku 4.5 instead of Claude Sonnet 5?
Claude Haiku 4.5 outperforms Claude Sonnet 5 for Classification, Extraction, Summarization. It costs $1.00/$5.00 per million tokens (input/output).
Is Claude Sonnet 5 cheaper than Claude Haiku 4.5?
Claude Sonnet 5 input costs $2.00/MTok, which is 100% more than Claude Haiku 4.5 at $1.00/MTok.
What are the context window sizes for Claude Haiku 4.5 and Claude Sonnet 5?
Claude Haiku 4.5 has a 200K token context window. Claude Sonnet 5 has a 1M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Haiku 4.5 and Claude Sonnet 5 stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.