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Claude Sonnet 4.5 (latest)

cortecs/claude-4-5-sonnet

Prices

Input

$2.99 per 1M tokens

low
Input (cache write)

$4.08 per 1M tokens

low
Input (cached read)

$0.326 per 1M tokens

low
Output

$14.95 per 1M tokens

low

Specifications

Provider
cortecs
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
2.99 per 1M tokens, unchanged since 09/14/2026
Output
14.95 per 1M tokens, unchanged since 09/14/2026
Input (cached read)
0.326 per 1M tokens, unchanged since 09/14/2026
Input (cache write)
4.08 per 1M tokens, unchanged since 09/14/2026

Last updated 10/04/2026, 02:10