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Claude Sonnet 4.6

by Anthropic· Released 2025-02
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Claude Sonnet 4.6 is Anthropic's latest generation Sonnet model, offering enhanced agentic capabilities and improved multi-step reasoning. It maintains the same 200K context and pricing as its predecessor with meaningful improvements in autonomous task completion.

Input Price
$3.00/1M
per 1M tokens
Output Price
$15.00/1M
per 1M tokens
Context Window
200K tokens
max tokens
ELO Score
1310
LMSYS Arena

Pricing Breakdown

VolumeInput CostOutput CostCombined (50/50)
1,000 tokens$0.0030$0.0150$0.0090
10,000 tokens$0.0300$0.1500$0.0900
100,000 tokens$0.3000$1.5000$0.9000
1,000,000 tokens$3.0000$15.0000$9.0000

Strengths

  • Latest Claude model with improved agentic capabilities
  • Better at multi-step autonomous workflows
  • 200K context window
  • Enhanced tool use and computer use
  • Strong coding and reasoning balance

Weaknesses

  • Same price as 3.5 Sonnet but not a generational leap
  • Still processing speed not best in class

Best For

codingfunction callingresearchdocument analysisreasoning

Compare Claude Sonnet 4.6 With

Claude Sonnet 4.6 vs o3
OpenAI
Claude Sonnet 4.6 vs DeepSeek R1
DeepSeek
Claude Sonnet 4.6 vs o1
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Claude Sonnet 4.6 vs Gemini 2.0 Flash
Google
Claude Sonnet 4.6 vs DeepSeek V3
DeepSeek
Claude Sonnet 4.6 vs Claude 3.5 Sonnet
Anthropic

Frequently Asked Questions

How much does Claude Sonnet 4.6 cost?

Claude Sonnet 4.6 costs $3.00/1M per 1M input tokens and $15.00/1M per 1M output tokens.

What is Claude Sonnet 4.6's context window?

Claude Sonnet 4.6 has a context window of 200K tokens, which means it can process up to 200,000 tokens in a single request.

Is Claude Sonnet 4.6 open source?

No, Claude Sonnet 4.6 is a proprietary model by Anthropic and is not open source.

What is Claude Sonnet 4.6 best used for?

Claude Sonnet 4.6 is best suited for: coding, function-calling, research, document-analysis, reasoning. Latest Claude model with improved agentic capabilities.

What is Claude Sonnet 4.6's ELO score?

Claude Sonnet 4.6 has an ELO score of 1310 on the LMSYS Chatbot Arena leaderboard, placing it among top-tier models.