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Claude 3.5 Haiku vs Claude Sonnet 4.6

List-price comparison · Claude 3.5 Haiku details · Claude Sonnet 4.6 details

For a typical workload (100,000 requests / mo), Claude 3.5 Haiku costs 73% less $256.00/mo vs $960.00/mo.

 Claude 3.5 HaikuClaude Sonnet 4.6
Input / 1M tokens$0.800$3.00
Output / 1M tokens$4.00$15.00
Typical request (1,200 in + 400 out)$0.0026$0.0096
Context window200k tokens1M tokens
Max output8,192 tokens128k tokens
TierBalancedBalanced
ProviderAnthropicAnthropic

Projected monthly cost

Rows open both models in the calculator — adjust volume and token counts there.

Claude 3.5 Haiku

Auto-synced from OpenRouter — no editorial write-up yet.

Claude Sonnet 4.6

Strong price-to-performance for production agents: reliable tool use, structured JSON output, and solid coding ability at roughly a fifth of Opus's cost.

Can still misstep on the hardest multi-step reasoning chains where Opus would succeed — budget for occasional escalation to a flagship model.

More comparisons

Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.