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OpenRouter

Using Claude Haiku 4.5 on OpenRouter

Implementation guide · Claude 4.5 · Anthropic

Serverless

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call anthropic/claude-haiku-4.5 — see the documentation for request format.
  3. 3
    You'll be billed $1.00/1M input, $5.00/1M output tokens. See full pricing.

Code Examples

See OpenRouter documentation for integration details.

About OpenRouter

OpenRouter provides a unified interface for Large Language Models with better pricing, improved uptime, and no subscription requirements. Route across providers for cost optimization and reliability.

OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$1.00
Output tokens$5.00

Capabilities

VisionMultimodalFunction CallingTool UseStructured OutputsCode Execution

About Claude Haiku 4.5

Claude Haiku 4.5 is Anthropic's Claude 4.5 model with multimodal text and image input. It offers a 200K-token context window and scores 73.3 on SWE-bench Verified.

Model Specs

Released2025-10-01
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-02

Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA