~anthropic logo
~anthropic

Anthropic: Claude Sonnet Latest

Source description (English)

This model always redirects to the latest model in the Claude Sonnet family.

Overview

Model specifications

Context
1,000,000 tokens
Maximum output
128,000 tokens
Architecture
text+image+file->text
Tokenizer
Router
Knowledge cutoff
Not provided
Moderated
Yes
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$2
per 1M tokens
Output
$10
per 1M tokens
Cache read
$0.2
per 1M tokens
Cache write
$2.5
per 1M tokens
Cache write (1h)
$4
per 1M tokens
Web search
$10
per 1,000 calls
API

Model configuration

Reasoning

Reasoning required
No
Default parameters
high
Capabilities
max, xhigh, high, medium, low
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"~anthropic/claude-sonnet-latest","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

InputOutput

Input
textimagefile
Output
text
Reasoning

Yes · max · xhigh · high · medium · low

API

Supported API parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosity
Available providers

0 providers

Checked: September 12, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

No endpoint details were provided at the last synchronization.

~anthropic

3 models

All models