Claude Sonnet 4.5 (Anthropic)

View on AnthropicView on OpenRouter

Verified provider routes accept text and image input and produce text output. Supported combinations depend on the provider route.

Source 1 · Source 2

Identity and capabilities

Status
Deprecated · retires Nov 30, 2026
Recommended replacement
claude-sonnet-5-5
Local execution
Not verified
Context window
200,000
Maximum output
64,000
Image input
Yes
Reasoning
Yes
Tool calling
Yes
Release date
First seen
2026-08-29 19:40:01Z UTC
Last verified

Current offers - prices in USD · per 1M tokens

Prices by provider, service tier, context and offer route
OpenRouterAnthropic
Standard · Input ≤ 200,000 tokens
Cached input
$0.3
—
Input
$3
—
Output
$15
—
Cache write
$3.75
—
1-hour cache write
$6
—
Standard · Base contextDeprecated · retires Nov 30, 2026
Cached input—
$0.3
Input—
$3
Output—
$15
1-hour cache write—
$6
5-minute cache write—
$3.75
Standard · Input > 200,000 tokens
Cached input
$0.6
—
Input
$6
—
Output
$22.5
—
Cache write
$7.5
—
1-hour cache write
$12
—
Batch · Input ≤ 200,000 tokens
Cached input
$0.15
—
Input
$1.5
—
Output
$7.5
—
Cache write
$1.875
—
1-hour cache write
$3
—
Batch · Base contextDeprecated · retires Nov 30, 2026
Input—
$1.5
Output—
$7.5
Batch · Input > 200,000 tokens
Cached input
$0.3
—
Input
$3
—
Output
$11.25
—
Cache write
$3.75
—
1-hour cache write
$6
—

Active promotions

No officially confirmed promotion applies to this model.

Recent price changes

No price changes in the last 7 days.