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Claude Sonnet 5.5 Anthropic GPT-4o OpenAI Deprecated
Input $2.00 $2.50
Output $10.00 $10.00
Blended $4.00 $4.38
Context window 1M 128k
Max output 128k 16k
Output speed 133.8 173.7
Quality 64.9 43.3
Reasoning 55 28.4
Coding 61 15.5
Value 4 2.4
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id claude-sonnet-5-5 gpt-4o

At a glance

Input price, per million tokens
  1. Claude Sonnet 5.5Anthropic$2.00
  2. GPT-4oOpenAI$2.50
Output price, per million tokens
  1. Claude Sonnet 5.5Anthropic$10.00
  2. GPT-4oOpenAI$10.00
Context window
  1. Claude Sonnet 5.5Anthropic1M
  2. GPT-4oOpenAI128k

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