Claude 3.5 Haiku vs. Claude 3.7 Sonnet — Interactive Cost & Performance Calculator
Compare Claude 3.5 Haiku vs Claude 3.7 Sonnet side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
Claude 3.5 Haiku
Best for: Fast sub-agent routing & real-time moderation
Claude 3.7 Sonnet
Best for: Hybrid extended thinking, full-stack coding & autonomous tool use
Side-by-Side Technical & Commercial Breakdown: Claude 3.5 Haiku vs. Claude 3.7 Sonnet
| Dimension | Claude 3.5 Haiku | Claude 3.7 Sonnet |
|---|---|---|
| Provider | Anthropic | Anthropic / OpenRouter |
| Input Price (per 1M tokens) | $0.800 | $3.000 |
| Output Price (per 1M tokens) | $4.00 | $15.00 |
| Context Window | 200K tokens | 200K tokens |
| Throughput Speed | 130 tok/s | 84 tok/s |
| License / Weights | Proprietary API | Proprietary API |
| Best Use Case | Fast sub-agent routing & real-time moderation | Hybrid extended thinking, full-stack coding & autonomous tool use |
Frequently Asked Questions
Which is more cost-effective in 2026: Claude 3.5 Haiku or Claude 3.7 Sonnet?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. Claude 3.5 Haiku (Fast sub-agent routing & real-time moderation) and Claude 3.7 Sonnet (Hybrid extended thinking, full-stack coding & autonomous tool use) have different unit economics that cross over as volume scales.
When should an engineering team choose Claude 3.5 Haiku over Claude 3.7 Sonnet?
Choose Claude 3.5 Haiku when your primary priority is: Fast sub-agent routing & real-time moderation. Choose Claude 3.7 Sonnet when you prioritize: Hybrid extended thinking, full-stack coding & autonomous tool use.