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claude-sonnet-4-5

anthropic/claude-sonnet-4-5

Input price
$3.00 / 1M tokens
Output price
$15.0 / 1M tokens
Context window
200K tokens
Lifecycle
stable

claude-sonnet-4-5 for OpenAI-compatible gateway routing

claude-sonnet-4-5 is a Anthropic chat model in the Ferro Labs live catalog with a 200K tokens context window, 64K tokens maximum output, and capabilities including Vision, Function Calling, and JSON Mode, and more.

Token pricing is listed as $3.00 / 1M tokens for input tokens and $15.0 / 1M tokens for output tokens. Route calls through the Ferro Labs AI Gateway by sending model as anthropic/claude-sonnet-4-5 to the OpenAI-compatible chat completions endpoint. The catalog lists this model as stable for normal gateway routing.

OpenAI-compatible usage example

curl https://api.ferrolabs.ai/v1/chat/completions \
  -H "Authorization: Bearer $GATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-sonnet-4-5", "messages": [{"role": "user", "content": "Hello!"}]}'

Capabilities

  • Vision
  • Function Calling
  • JSON Mode
  • Response Schema
  • Prompt Caching
  • Reasoning
  • Streaming

Modalities

Input

  • Text
  • Image

Output

  • Text

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Catalog prices may change. Verify current provider terms before purchasing.