Claude Sonnet 5 | Anthropic LLM API Pricing & Performance

Name: Claude Sonnet 5 API
Brand: anthropic
Price: 2 USD
Availability: InStock

API 使用

使用以下代码示例接入我们的 API：

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["WAVESPEED_API_KEY"],
    base_url="https://llm.wavespeed.ai/v1",
    timeout=120.0,
    max_retries=2,
)

try:
    response = client.chat.completions.create(
        model="anthropic/claude-sonnet-5",
        messages=[{"role": "user", "content": "Hello!"}],
    )
    print(response.choices[0].message.content or "")
except Exception as exc:
    raise SystemExit(f"LLM request failed: {exc}") from exc

模型介绍

Anthropic: Claude Sonnet 5

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

This model is imported from OpenRouter metadata and exposed through the WaveSpeed AI OpenAI-compatible API for chat completions and compatible application workflows.

Why It Looks Great

text+image+file->text architecture for Text, Image, file to Text workloads
1000000 context window for long prompts, document analysis, and multi-turn workflows
Competitive pricing at $2/$10 per million tokens
Vision input support for image understanding and multimodal tasks
Function calling and tool-use support for agentic application workflows
Structured output support for JSON responses and schema-constrained generation
Reasoning controls available through supported OpenRouter parameters

Key Features

Context Window: 1000000 tokens
Max Input: 872000 tokens
Max Output: 128000 tokens
Vision: Supported
Function Calling: Supported
Structured Outputs: Supported
Image Generation: Not listed
Audio Input: Not listed
Supported Parameters: include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, stop, structured_outputs, tool_choice, tools, verbosity

Specifications

Specification	Value
Provider	anthropic
Model Type	Chat Completions model
Architecture	text+image+file->text
Context Window	1000000 tokens
Max Input	872000 tokens
Max Output	128000 tokens
Input	Text, Image, file
Output	Text
Vision	Supported
Function Calling	Supported
Structured Outputs	Supported
OpenRouter Created	July 1, 2026

How to Use

Write your prompt - describe the task, provide context, and specify the 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-sonnet-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-sonnet-5",
    messages=[{"role": "user", "content": "Hello!"}]
)

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

Notes

Model: anthropic/claude-sonnet-5
Provider: anthropic
OpenRouter marks the top provider as moderated
Endpoint availability and provider-specific routing may change on OpenRouter

Claude Sonnet 5 API

anthropic/claude-sonnet-5

Claude Sonnet 5 is Anthropic’s most capable Sonnet-class model, designed for frontier-level performance across coding, agent workflows, and professional tasks. It supports adaptive reasoning with selectable effort levels (low, medium, high, max, x-high), long-context processing up to large-scale documents, and multimodal inputs including text, images, and files. The model also includes updated tokenization and built-in safeguards for handling sensitive or high-risk dual-use scenarios.

关于 Claude Sonnet 5 的常见问题

Claude Sonnet 5 API 多少钱?+

WaveSpeedAI 定价:输入每百万 token $2.00,输出每百万 token $10.00。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 Sonnet 5 的上下文窗口是多大?+

Claude Sonnet 5 单次请求最多支持 1000K 上下文 token,输出最多 128K token。

Claude Sonnet 5 是否兼容 OpenAI?+

WaveSpeedAI 通过 https://llm.wavespeed.ai/v1 的 OpenAI 兼容 Chat Completions 接口提供 Claude Sonnet 5。大多数 OpenAI SDK 客户端只需更换 base URL 和 API Key；可选字段取决于具体模型。

如何开始使用 Claude Sonnet 5?+

登录 WaveSpeedAI，在 Access Keys 中创建 API Key，然后使用上方显示的 model id 向 https://llm.wavespeed.ai/v1/chat/completions 发送请求。模型可用性、能力和价格请以当前模型目录为准。

定价

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