Claude Haiku 4.5
vs Claude Sonnet 5.5
Compare the cost of summarising 1,000 documents per month, at 2,500 words each and a 250-word answer. One call per document, plus a 10% retry allowance.
Claude Haiku 4.5
Illustrative range: $4.64–$8.25
$1/million input tokens · $5/million output tokens. Anthropic / anthropic.
Pricing source ↗Claude Sonnet 5.5
Illustrative range: $9.27–$16.50
$2/million input tokens · $10/million output tokens. Anthropic / anthropic.
Pricing source ↗Change the assumptions before deciding.
This example uses 3,700 input tokens, including a 200-token prompt allowance, and 350 output tokens per call. Rates are from the October 5, 2026 catalog snapshot. No cache or batch discount is assumed.
These estimates do not include reasoning beyond the planned answer, tools, hosting, storage or taxes. A lower price is useful only if the model meets the quality and latency your task needs. Equal token prices do not establish equivalent quality.
Compare your workload →Read the methodology