Anthropic

Claude Sonnet 4.6

Name: Claude Sonnet 4.6
Brand: Anthropic
Price: 3 USD
Availability: InStock

Claude Sonnet 4.6 is an Anthropic model with vision, function calling, extended reasoning, prompt caching, and structured output capabilities. It is priced at $3 per million input tokens and $15 per million output tokens, and has a 200K token context window. Access the Claude Sonnet 4.6 API through Inworld Router or Realtime API.

→Function CallingReasoningPrompt CachingResponse SchemaVision

Use This Model

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic <your-api-key>' \
--data '{
    "name": "compare-frontier-models",
    "default_route": {
        "route_id": "default",
        "variants": [
            {
                "variant": {

                    "variant_id": "anthropic",
                    "model_id": "anthropic/claude-sonnet-4-6"

                },
                "weight": 33
            },
            {
                "variant": {
                    "variant_id": "anthropic",
                    "model_id": "anthropic/claude-3-haiku-20240307"
                },
                "weight": 33
            },
            {
                "variant": {
                    "variant_id": "anthropic",
                    "model_id": "anthropic/claude-haiku-4-5-20251001"
                },
                "weight": 34
            }
        ]
    }
}'

Inference providers

Access Claude Sonnet 4.6 through Anthropic via Inworld Router or Realtime API.

					Capabilities	Input modalities	Output modalities
Anthropic	200K	64K	$3.00	$15.00	+2

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Claude Opus 4.6	1M	128K	$5.00	$25.00	+2
Claude Sonnet 4 20250514	1M	64K	$3.00	$15.00	+2
Claude Sonnet 4.5 20250929	200K	64K	$3.00	$15.00	+3