Anthropic

Claude Opus 4.1 20250805

Name: Claude Opus 4.1 20250805
Brand: Anthropic
Price: 15 USD
Availability: InStock

Claude Opus 4.1 20250805 is an Anthropic model with vision, function calling, extended reasoning, prompt caching, and structured output capabilities. It is priced at $15 per million input tokens and $75 per million output tokens, and has a 200K token context window. Access the Claude Opus 4.1 20250805 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-opus-4-1-20250805"

                },
                "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 Opus 4.1 20250805 through Anthropic via Inworld Router or Realtime API.

					Capabilities	Input modalities	Output modalities
Anthropic	200K	32K	$15.00	$75.00	+2

Deprecation scheduled: 2026-08-05

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Claude Sonnet 4.5 20250929	200K	64K	$3.00	$15.00	+3
Claude Sonnet 4.6	200K	64K	$3.00	$15.00	+2