Claude Sonnet 5.5 (Anthropic)

View on AnthropicView on OpenRouter

Confirmed uses of Claude Sonnet 5.5 include generating text. Verified provider routes accept text and image input and produce text output. Supported combinations depend on the provider route.

Source 1 · Source 2 · Source 3

Identity and capabilities

Status
Current
Local execution
Not verified
Context window
1,000,000
Maximum output
128,000
Image input
Yes
Reasoning
Yes
Tool calling
Yes
Release date
First seen
2026-09-28 18:02:34Z UTC
Last verified

Current offers - prices in USD · per 1M tokens

Prices by provider, service tier, context and offer route
OpenRouterAnthropic
Standard
Cached input
$0.1
$0.1
Input
$2
$2
Output
$10
$10
Cache write
$2.5
—
1-hour cache write
$4
$4
5-minute cache write—
$2.5
Batch
Cached input
$0.05
—
Input
$1
$1
Output
$5
$5
Cache write
$1.25
—
1-hour cache write
$2
—

Active promotions

No officially confirmed promotion applies to this model.

Recent price changes

No price changes in the last 7 days.