Anthropic

Anthropic/claude Haiku 4.5

Name: Anthropic/claude Haiku 4.5
Brand: Anthropic
Price: 1 USD
Availability: InStock

Anthropic/claude Haiku 4.5 is a large language model by Anthropic. Priced at $1 per million input tokens and $5 per million output tokens. Access Anthropic/claude Haiku 4.5 through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

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Use This Model

Step 1 — Create Router

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "name": "compare-frontier-models",
  "defaultRoute": {
    "route_id": "default",
    "variants": [
      {
        "variant": {
          "variant_id": "deepinfra/anthropic/claude-haiku-4-5-a",
          "model_id": "deepinfra/anthropic/claude-haiku-4-5"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "deepinfra/anthropic/claude-opus-4-7-b",
          "model_id": "deepinfra/anthropic/claude-opus-4-7"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "deepinfra/anthropic/claude-sonnet-4-6-c",
          "model_id": "deepinfra/anthropic/claude-sonnet-4-6"
        },
        "weight": 34
      }
    ]
  }
}'

import requests

response = requests.post(
    "https://api.inworld.ai/router/v1/routers",
    headers={
        "Authorization": "Basic <your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "name": "compare-frontier-models",
        "defaultRoute": {
            "route_id": "default",
            "variants": [
                {
                    "variant": {
                        "variant_id": "deepinfra/anthropic/claude-haiku-4-5-a",
                        "model_id": "deepinfra/anthropic/claude-haiku-4-5"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "deepinfra/anthropic/claude-opus-4-7-b",
                        "model_id": "deepinfra/anthropic/claude-opus-4-7"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "deepinfra/anthropic/claude-sonnet-4-6-c",
                        "model_id": "deepinfra/anthropic/claude-sonnet-4-6"
                    },
                    "weight": 34
                }
            ]
        }
    },
)
print(response.json())

const response = await fetch(
  "https://api.inworld.ai/router/v1/routers",
  {
    method: "POST",
    headers: {
      Authorization: "Basic <your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "compare-frontier-models",
      defaultRoute: {
        route_id: "default",
        variants: [
          {
            variant: {
              variant_id: "deepinfra/anthropic/claude-haiku-4-5-a",
              model_id: "deepinfra/anthropic/claude-haiku-4-5",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "deepinfra/anthropic/claude-opus-4-7-b",
              model_id: "deepinfra/anthropic/claude-opus-4-7",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "deepinfra/anthropic/claude-sonnet-4-6-c",
              model_id: "deepinfra/anthropic/claude-sonnet-4-6",
            },
            weight: 34,
          },
        ],
      },
    }),
  }
);
const data = await response.json();
console.log(data);

Step 2 — Chat Completion

curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "model": "inworld/compare-frontier-models",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

Anthropic/claude Haiku 4.5 pricing and providers

Access Anthropic/claude Haiku 4.5 through DeepInfra via Inworld Router or Realtime API. By using the AI provider(s) below you acknowledge you reviewed and agree to their terms listed in the Legal section under the AI provider's name.

					Capabilities	Input modalities	Output modalities
DeepInfra	—	—	$1.00	$5.00	—

Other Anthropic models available through Inworld

Compare Anthropic/claude Haiku 4.5 with other Anthropic models available through Inworld Router or Realtime API.

					Capabilities
Anthropic/claude Opus 4.7	—	—	$5.00	$25.00	—
Anthropic/claude Sonnet 4.6	—	—	$3.00	$15.00	—
Claude Haiku 4.5 20251001	200K	64K	$1.00	$5.00	+3
Claude Opus 4.1 20250805	200K	32K	$15.00	$75.00	+3
Claude Opus 4.5 20251101	200K	64K	$5.00	$25.00	+3
Claude Opus 4.6	1M	128K	$5.00	$25.00	+3
Claude Opus 4.7	1M	128K	$5.00	$25.00	+3
Claude Sonnet 4.5 20250929	200K	64K	$3.00	$15.00	+4
Claude Sonnet 4.6	1M	64K	$3.00	$15.00	+3

Start building with Anthropic/claude Haiku 4.5

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