Using Claude 3 Haiku on OpenRouter

Implementation guide · Claude 3 · Anthropic

Serverless

OpenRouter exposes Claude 3 Haiku through model ID anthropic/claude-3-haiku. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-07-26. Next refresh: weekly.

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-3-haiku — see the documentation for request format.
  3. 3
    You'll be billed $0.25/1M input, $1.25/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.25
Output tokens$1.25

Capabilities

VisionMultimodalReasoningStructured OutputsCode Execution

About Claude 3 Haiku

Claude 3 Haiku is Anthropic's Claude 3 model with multimodal text and image input and an optional reasoning mode. It is deprecated (originally released 2024-03-04); use it only for reproducing earlier results or evaluating drift over time.

Full model details →

Model Specs

Released2024-03-04
Parameters20B
Context200k
ArchitectureDecoder Only
Knowledge cutoff2023-08

Also available on(6)

AWS Bedrock$0.25/1MGCP Vertex AI$0.25/1MAnthropic$0.25/1M
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Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA