Claude Sonnet 5 | Anthropic LLM API Pricing & Performance

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

Utilizzo API

Usa i seguenti esempi di codice per integrare la nostra 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

Introduzione al modello

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.

Domande frequenti su Claude Sonnet 5

Quanto costa Claude Sonnet 5 via API?+

Prezzi su WaveSpeedAI: $2.00 per milione di token in input e $10.00 per milione di token in output. Prompt caching e batch processing sono fatturati separatamente e riducono il costo effettivo su carichi lunghi e ripetitivi.

Qual è la context window di Claude Sonnet 5?+

Claude Sonnet 5 supporta fino a 1000K token di contesto e fino a 128K token di output per richiesta.

Claude Sonnet 5 è compatibile con OpenAI?+

WaveSpeedAI espone Claude Sonnet 5 su https://llm.wavespeed.ai/v1 tramite l’interfaccia Chat Completions compatibile con OpenAI. Per la maggior parte dei client OpenAI SDK basta cambiare base URL e API key; i campi opzionali dipendono dal modello.

Come si inizia con Claude Sonnet 5?+

Accedi a WaveSpeedAI, crea una API key in Access Keys e invia una richiesta a https://llm.wavespeed.ai/v1/chat/completions con il model id mostrato sopra. Consulta il catalogo attuale per disponibilità, funzionalità e prezzi.

Prezzi

Prova il modello