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Claude Sonnet 4.5 Thinking

anthropic/claude-sonnet-4-5:thinking

Prices

Input

$3.00 per 1M tokens

low
Input (cached read)

$0.30 per 1M tokens

low
Output

$15.00 per 1M tokens

low

Specifications

Provider
anthropic
Context window
200,000
Max output tokens
64,000
Open weights
no
Released
09/29/2025
Retires
no date announced
First seen by this tracker

Price history

No price of this model has changed since we started tracking it.

Input
3 per 1M tokens, unchanged since 09/14/2026
Output
15 per 1M tokens, unchanged since 09/14/2026
Input (cached read)
0.3 per 1M tokens, unchanged since 09/14/2026

Last updated 10/04/2026, 02:10