Claude Sonnet 4.6

Chat Completions

claude-sonnet-4.6

Anthropic|Created Feb 17, 2026|1M context

Chat Completions

Sonnet 4.6 is Anthropic’s strongest Sonnet-class model to date, delivering frontier-level performance in coding, agentic tasks, and professional work. It shines in iterative development, navigating complex codebases, end-to-end project management with memory, creating polished documents, and reliable computer use for web QA and workflow automation.

Overview Specifications Activity Performance Uptime Examples API Reference

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Endpoints and request shape

This page collects the public integration surface for the model: supported endpoints, available request parameters, and example calls through the NagaAI API.

Chat Completions

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.naga.ac/v1",
    api_key="YOUR_API_KEY",
)

resp = client.chat.completions.create(
    model="claude-sonnet-4.6",
    messages=[
        {"role": "user", "content": "What's 2+2?"}
    ],
    temperature=0.2,
)
print(resp.choices[0].message.content)

Supported Parameters

Available parameters for API requests

Frequency PenaltyLogit BiasMax Completion TokensPresence PenaltyReasoning EffortResponse FormatStopTemperatureTool ChoiceToolsTop P