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Claude 3.7 Sonnet

Claude
by Anthropic

Most intelligent Claude model with extended thinking mode. Best for complex reasoning, coding, and agentic tasks.

Try in Chat
Feb 24, 2025

Specifications

Context Length
200K
200,000 tokens
Input Price
$3.00
per 1M tokens
Output Price
$15.00
per 1M tokens
Modalities
2
text→text, image+text→text

Capabilities

text generationchatfunction callingvisioncodereasoning

API Usage

1Router is fully OpenAI-compatible. Just set the base URL and use this model ID:

anthropic/claude-3.7-sonnet
cURL
curl https://api.1router.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthropic/claude-3.7-sonnet",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'