Claude 4.6 Sonnet

Approved Data Classifications

Description

Claude Sonnet 4.6 is Anthropic’s best balance of speed and intelligence for agentic coding, planning, computer use, and long-context reasoning. It supports a 1 million-token context window in beta and adaptive reasoning.

Capabilities

Model	Knowledge Cutoff	Input	Output	Context Length	Cost (per 1 million tokens)
claude-4.6-sonnet	Aug 31 2025	Text, Image, Pdf	Text	1,000,000	$3.30/1M input $16.50/1M output

info

• 1M represents 1 Million Tokens
• All prices listed are based on 1 Million Tokens

Availability

Cloud Provider

Usage

curl

curl -X POST https://api.ai.it.ufl.edu/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer <API_TOKEN>" \
-d '{
    "model": "claude-4.6-sonnet",
    "messages": [
        {
            "role": "system",
            "content": "You are a helpful assistant."
        },
        {
            "role": "user",
            "content": "Write a haiku about an Alligator."
        }
    ]
}'

python

from openai import OpenAI
  client = OpenAI(
      api_key="your_api_key",
      base_url="https://api.ai.it.ufl.edu/v1"
  )

  response = client.chat.completions.create(
      model="claude-4.6-sonnet", # model to send to the proxy
      messages = [
          { role: "system", content: "You are a helpful assistant." },
          {
              "role": "user",
              "content": "Write a haiku about an Alligator."
          }
      ]
  )

  print(response.choices[0].message)

javascript

import OpenAI from 'openai';

const openai = new OpenAI({
  apiKey: 'your_api_key',
  baseURL: 'https://api.ai.it.ufl.edu/v1'
});

const completion = await openai.chat.completions.create({
    model: "claude-4.6-sonnet",
    messages: [
        { role: "system", content: "You are a helpful assistant." },
        {
            role: "user",
            content: "Write a haiku about an Alligator.",
        },
    ],
});

print(completion.choices[0].message)

When to use

• Cost-sensitive coding and development workflows
• Long-form contexts without breaking the bank
• Agentic subagent in automated pipelines
• Balanced speed and depth
• Visual data extraction and analysis
• General-purpose chatbots and content generation

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References

1. Anthropic
   https://www.anthropic.com/claude-sonnet-4-6-system-card
2. LLM Stats
   https://llm-stats.com/models/claude-sonnet-4-6
3. Artificial Analysis
   https://artificialanalysis.ai/models/claude-sonnet-4-6