Back to models
retired

Claude Sonnet 4.5

anthropic/claude-sonnet-4-5@20250929

Prices

Input

$3.00 per 1M tokens

medium
Input (>200k ctx)

$6.00 per 1M tokens

low
Input (batch)

$1.50 per 1M tokens

low
Input (cache write 1h, >200k ctx)

$12.00 per 1M tokens

low
Input (cache write 1h)

$6.00 per 1M tokens

low
Input (cache write, >200k ctx)

$7.50 per 1M tokens

low
Input (cache write, batch)

$1.88 per 1M tokens

low
Input (cache write)

$3.75 per 1M tokens

medium
Input (cached read, >200k ctx)

$0.60 per 1M tokens

low
Input (cached read, batch)

$0.15 per 1M tokens

low
Input (cached read)

$0.30 per 1M tokens

medium
Output

$15.00 per 1M tokens

medium
Output (>200k ctx)

$22.50 per 1M tokens

low
Output (batch)

$7.50 per 1M tokens

low

Specifications

Provider
anthropic
Context window
200,000
Max output tokens
64,000
Open weights
no
Released
09/29/2025
Retires
09/29/2026
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
Input (cache write)
3.75 per 1M tokens, unchanged since 09/14/2026
Input (cache write 1h)
6 per 1M tokens, unchanged since 09/14/2026
Input (>200k ctx)
6 per 1M tokens, unchanged since 09/14/2026
Output (>200k ctx)
22.5 per 1M tokens, unchanged since 09/14/2026
Input (cache write, >200k ctx)
7.5 per 1M tokens, unchanged since 09/14/2026
Input (cached read, >200k ctx)
0.6 per 1M tokens, unchanged since 09/14/2026
Input (batch)
1.5 per 1M tokens, unchanged since 09/14/2026
Output (batch)
7.5 per 1M tokens, unchanged since 09/14/2026
Input (cache write 1h, >200k ctx)
12 per 1M tokens, unchanged since 09/24/2026
Input (cached read, batch)
0.15 per 1M tokens, unchanged since 09/24/2026
Input (cache write, batch)
1.88 per 1M tokens, unchanged since 09/30/2026

Last updated 10/04/2026, 02:10