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Claude Opus 4.5 Anthropic Legacy Claude Opus 5.5 Anthropic
Input $5.00 $4.00
Output $25.00 $20.00
Blended $10.00 $8.00
Context window 200k 1M
Max output 64k 128k
Output speed 48.2 96
Quality 62.9 70.5
Reasoning 47.1 61.4
Coding 60.4 66.9
Value 1.5 2.2
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id claude-opus-4-5-20251101 claude-opus-5-5

At a glance

Input price, per million tokens
  1. Claude Opus 4.5Anthropic$5.00
  2. Claude Opus 5.5Anthropic$4.00
Output price, per million tokens
  1. Claude Opus 4.5Anthropic$25.00
  2. Claude Opus 5.5Anthropic$20.00
Context window
  1. Claude Opus 4.5Anthropic200k
  2. Claude Opus 5.5Anthropic1M

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