Using Claude 3 Haiku on Vercel AI Gateway

Implementation guide · Claude 3 · Anthropic

Serverless

Vercel AI Gateway 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 Vercel AI Gateway and generate an API key.
  2. 2
    Use the Vercel AI Gateway 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

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
anthropic/claude-3-haiku

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="anthropic/claude-3-haiku",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

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
Compare all providers →

Provider

Vercel AI Gateway

Vercel