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Claude Sonnet 4.6 API price, and what each result really costs

Anthropic, listed 17 Feb 2026. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: Anthropic's pricing page. anthropic/claude-sonnet-4.6

List price per million tokens

Input
$3.00
Cached input
$0.30
Output
$15.00
Context window
1M tokens

Note: Older model still offered; tentative retirement not sooner than 2027-02-17.

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$13.50$16.88$22.50$33.75
Invoice field extraction2,500 in / 250 out$11.25$14.06$18.75$28.13
Lead scoring1,200 in / 100 out$5.10$6.37$8.50$12.75
Email reply draft1,500 in / 400 out$10.50$13.13$17.50$26.25
Translation900 in / 800 out$14.70$18.37$24.50$36.75
Search re-ranking4,000 in / 50 out$12.75$15.94$21.25$31.88

Work out your own real cost per resultTest Claude Sonnet 4.6 on your own prompt

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Questions

How much does the Claude Sonnet 4.6 API cost?

$3.00 per million input tokens and $15.00 per million output tokens, or $0.30 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 Sonnet 4.6?

A support bot answer (about 3,000 tokens in, 300 out) costs $0.013 per try. If 6 in 10 work first time, each answer that works really costs $0.022, because the redone ones were paid for too.