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Claude Haiku 4.5 API price, and what each result really costs

Anthropic, listed 15 Oct 2025. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: Anthropic's pricing page. anthropic/claude-haiku-4.5

List price per million tokens

Input
$1.00
Cached input
$0.10
Output
$5.00
Context window
200K tokens

Note: Older model still offered. Note Haiku 5.5 is 10x cheaper for prompts under 100K tokens.

What it costs per task, and per task that works

Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.

TaskPer 1,000 triesPer 1,000 that work, 8 in 10Per 1,000 that work, 6 in 10Per 1,000 that work, 4 in 10
Support bot answer3,000 in / 300 out$4.50$5.63$7.50$11.25
Invoice field extraction2,500 in / 250 out$3.75$4.69$6.25$9.38
Lead scoring1,200 in / 100 out$1.70$2.13$2.83$4.25
Email reply draft1,500 in / 400 out$3.50$4.38$5.83$8.75
Translation900 in / 800 out$4.90$6.13$8.17$12.25
Search re-ranking4,000 in / 50 out$4.25$5.31$7.08$10.63

Work out your own real cost per resultTest Claude Haiku 4.5 on your own prompt

Compare Claude Haiku 4.5 with

Worked-through switches: Claude Haiku 4.5 → Claude Haiku 5.5: cost and quality on real tasks

Questions

How much does the Claude Haiku 4.5 API cost?

$1.00 per million input tokens and $5.00 per million output tokens, or $0.10 per million for cached input. Price checked 12 Nov 2026; unchanged since we started tracking it.

What does a result that works really cost with Claude Haiku 4.5?

A support bot answer (about 3,000 tokens in, 300 out) costs $0.0045 per try. If 6 in 10 work first time, each answer that works really costs $0.0075, because the redone ones were paid for too.