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Claude Sonnet 4 Anthropic Retired GPT-5.6 Sol OpenAI
Input $3.00 $4.00
Output $15.00 $20.00
Blended $6.00 $8.00
Context window 200k 1.05M
Max output No data 128k
Output speed No data 82
Quality No data 65.1
Reasoning No data 71.8
Coding No data 69
Value No data 2
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id claude-sonnet-4-20250514 gpt-5.6-sol

At a glance

Input price, per million tokens
  1. Claude Sonnet 4Anthropic$3.00
  2. GPT-5.6 SolOpenAI$4.00
Output price, per million tokens
  1. Claude Sonnet 4Anthropic$15.00
  2. GPT-5.6 SolOpenAI$20.00
Context window
  1. Claude Sonnet 4Anthropic200k
  2. GPT-5.6 SolOpenAI1.05M

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