Claude Sonnet 5 | Anthropic LLM API Pricing & Performance

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

API 使用

使用以下程式碼範例整合我們的 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

模型介紹

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.

關於 Claude Sonnet 5 的常見問題

Claude Sonnet 5 API 多少錢?+

WaveSpeedAI 定價:輸入每百萬 token $2.00,輸出每百萬 token $10.00。Prompt 快取與批次處理分別計費,可顯著降低長上下文、高重複任務的實際成本。

Claude Sonnet 5 的上下文視窗有多大?+

Claude Sonnet 5 每次請求最多支援 1000K 上下文 token,輸出最多 128K token。

Claude Sonnet 5 是否相容 OpenAI?+

WaveSpeedAI 透過 https://llm.wavespeed.ai/v1 的 OpenAI 相容 Chat Completions 介面提供 Claude Sonnet 5。大多數 OpenAI SDK 用戶端只需更換 base URL 和 API Key；選用欄位取決於具體模型。

如何開始使用 Claude Sonnet 5?+

登入 WaveSpeedAI，在 Access Keys 中建立 API Key，然後使用上方顯示的 model id 向 https://llm.wavespeed.ai/v1/chat/completions 發送請求。模型可用性、能力和價格請以目前模型目錄為準。

定價

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