LLM Reference
Anthropic

Using Claude 3.5 Haiku on Anthropic

Implementation guide · Claude 3.5 · Anthropic

Serverless

Quick Start

  1. 1
    Create an account at Anthropic and generate an API key.
  2. 2
    Use the Anthropic SDK or REST API to call claude-3.5-haiku — see the documentation for request format.
  3. 3
    You'll be billed $0.80/1M input, $4.00/1M output tokens. See full pricing.

Code Examples

Install
pip install anthropic
API key
ANTHROPIC_API_KEY
Model ID
claude-3.5-haiku

Use the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".

import anthropic

client = anthropic.Anthropic()  # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
    model="claude-3.5-haiku",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)

About Anthropic

Creator of Claude AI models, accessed via the Anthropic API and the Anthropic Console (console.anthropic.com). The Console hosts the Workbench prompt playground, API keys, usage analytics, and team billing.

Anthropic is a safety-focused AI research company and creator of the Claude model family, offering API access through the Anthropic Console for text generation, analysis, and coding tasks.

Pricing on Anthropic

TypePrice (per 1M)
Input tokens$0.80
Output tokens$4.00

Capabilities

VisionReasoningStructured OutputsCode Execution

About Claude 3.5 Haiku

Claude 3.5 Haiku is Anthropic's latest AI model, known for its speed and efficiency while maintaining high intelligence. It is optimized for applications needing rapid response, like interactive chatbots and real-time content moderation. Initially text-only, future plans include image input capabilities. It excels in delivering fast, accurate code suggestions, processing and categorizing information swiftly, and handling large volumes of user interactions. Priced accessibly, it offers advanced coding, tool use, and reasoning abilities. Though initially surpassing Claude 3 Haiku in benchmarks, its pricing reflects its enhanced performance 123457.

Model Specs

Released2024-10-22
Context200k
ArchitectureDecoder Only

Provider

Anthropic
Anthropic

San Francisco, California, United States