Anthropic
Anthropic

Claude Haiku 4.5 20251001

Claude Haiku 4.5 20251001 is an Anthropic model with vision, function calling, extended reasoning, prompt caching, and structured output capabilities. It is priced at $1 per million input tokens and $5 per million output tokens, and has a 200K token context window. Access the Claude Haiku 4.5 20251001 API through Inworld Router or Realtime API.
Function CallingReasoningPrompt CachingResponse SchemaVision
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-haiku-4-5-20251001"
}, "weight": 33 }, { "variant": { "variant_id": "anthropic", "model_id": "anthropic/claude-3-haiku-20240307" }, "weight": 33 }, { "variant": { "variant_id": "anthropic", "model_id": "anthropic/claude-opus-4-20250514" }, "weight": 34 } ] } }'

Inference providers

Access Claude Haiku 4.5 20251001 through Anthropic via Inworld Router or Realtime API.
CapabilitiesInput modalitiesOutput modalities
AnthropicAnthropic200K64K$1.00$5.00+2

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