Question 1

Is Claude Sonnet 5 cheaper than Claude Haiku 4.5 (US)?

Accepted Answer

Under an illustrative mix of 1M input and 200K output tokens, the stored listed rates make Claude Haiku 4.5 (US) approximately 45% lower. This directional estimate excludes discounts, fees, taxes, availability, latency, and quality; verify current provider terms.

Question 2

What are the input and output token rates for Claude Haiku 4.5 (US) and Claude Sonnet 5?

Accepted Answer

Claude Haiku 4.5 (US) is listed at $1.10 per 1M input tokens and $5.50 per 1M output tokens. Claude Sonnet 5 is listed at $2.00 per 1M input tokens and $10.00 per 1M output tokens.

Question 3

How much can be saved by migrating between Claude Haiku 4.5 (US) and Claude Sonnet 5?

Accepted Answer

Depending on your exact prompt length and output generation volume, switching to Claude Haiku 4.5 (US) can reduce raw API token spend by approximately 45%. Use ModelPriceLab's cost diagnose tool to model your specific monthly workload.

Question 4

What should teams evaluate before switching from Claude Haiku 4.5 (US) to Claude Sonnet 5?

Accepted Answer

Before migrating production workloads, engineering teams should evaluate output quality, structured JSON compliance, prompt sensitivity, latency percentiles, rate limits, and fallback strategies.

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Claude Haiku 4.5 (US) vs Claude Sonnet 5

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