Claude Haiku 4.5 | Anthropic Fast & Efficient LLM API

Name: Claude Haiku 4.5 API
Brand: anthropic
Price: 0.9 USD
Availability: InStock

API 使用

使用以下代码示例接入我们的 API：

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://llm.wavespeed.ai/v1"
)

response = client.chat.completions.create(
    model="anthropic/claude-haiku-4.5",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(response.choices[0].message.content)

模型介绍

Anthropic claude-haiku-4.5

anthropic claude-haiku-4.5

Why It Looks Great

Large Language Model architecture for efficient processing
200000 context window for long document handling
Competitive pricing at $1.1/$5.5 per million tokens

Key Features

Context Window: 200000 tokens
Max Output: 64000 tokens
Vision: Supported
Function Calling: Supported

Specifications

Specification	Value
Provider	Anthropic
Model Type	Large Language Model (LLM)
Architecture	N/A
Context Window	200000 tokens
Max Output	64000 tokens
Input	Text
Output	Text
Vision	Supported
Function Calling	Supported

Pricing

Token Type	Cost per Million Tokens
Input	$1.1
Output	$5.5

How to Use

Write your prompt — describe the task, provide context, and specify desired output format.
Submit — the model processes your request and returns the response.

API Integration

Base URL: https://llm.wavespeed.ai/v1 API Endpoint: chat/completions Model ID: anthropic/claude-haiku-4.5

API Usage

Python SDK

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://llm.wavespeed.ai/v1"
)

response = client.chat.completions.create(
    model="anthropic/claude-haiku-4.5",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)

print(response.choices[0].message.content)

cURL

curl https://llm.wavespeed.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "anthropic/claude-haiku-4.5",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Notes

Model: anthropic/claude-haiku-4.5
Provider: Anthropic

关于 Claude Haiku 4.5 的常见问题

Claude Haiku 4.5 API 多少钱?+

WaveSpeedAI 定价:输入每百万 token $0.90,输出每百万 token $4.50。Prompt 缓存和批处理单独计费,可显著降低长上下文、高重复任务的实际成本。

Claude Haiku 4.5 的上下文窗口是多大?+

Claude Haiku 4.5 单次请求最多支持 200K 上下文 token,输出最多 64K token。

Claude Haiku 4.5 是否兼容 OpenAI?+

是的。WaveSpeedAI 通过 https://llm.wavespeed.ai/v1 的 OpenAI 兼容端点提供 Claude Haiku 4.5。把官方 OpenAI SDK 的 base URL 指向该地址,使用 WaveSpeedAI 的 API Key 即可,无需任何其他代码改动。

如何开始使用 Claude Haiku 4.5?+

登录 WaveSpeedAI,在 Access Keys 中生成 API Key,使用上方显示的 model id 向 https://llm.wavespeed.ai/v1/chat/completions 发送请求。新账户可获得免费额度,用于试用 Claude Haiku 4.5。

定价