Claude 3.5 Sonnet vs. Claude 3.5 Haiku — Interactive Cost & Performance Calculator
Compare Claude 3.5 Sonnet vs Claude 3.5 Haiku side-by-side. Use our interactive calculator to estimate exact monthly costs, savings, and performance trade-offs at your scale.
Claude 3.5 Sonnet
Best for: Code generation, agentic workflows & nuanced writing
Claude 3.5 Haiku
Best for: Fast sub-agent routing & real-time moderation
Side-by-Side Technical & Commercial Breakdown: Claude 3.5 Sonnet vs. Claude 3.5 Haiku
| Dimension | Claude 3.5 Sonnet | Claude 3.5 Haiku |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input Price (per 1M tokens) | $3.000 | $0.800 |
| Output Price (per 1M tokens) | $15.00 | $4.00 |
| Context Window | 200K tokens | 200K tokens |
| Throughput Speed | 78 tok/s | 130 tok/s |
| License / Weights | Proprietary API | Proprietary API |
| Best Use Case | Code generation, agentic workflows & nuanced writing | Fast sub-agent routing & real-time moderation |
Frequently Asked Questions
Which is more cost-effective in 2026: Claude 3.5 Sonnet or Claude 3.5 Haiku?
It depends on your workload volume. Use the interactive sliders above to model your exact monthly scale. Claude 3.5 Sonnet (Code generation, agentic workflows & nuanced writing) and Claude 3.5 Haiku (Fast sub-agent routing & real-time moderation) have different unit economics that cross over as volume scales.
When should an engineering team choose Claude 3.5 Sonnet over Claude 3.5 Haiku?
Choose Claude 3.5 Sonnet when your primary priority is: Code generation, agentic workflows & nuanced writing. Choose Claude 3.5 Haiku when you prioritize: Fast sub-agent routing & real-time moderation.