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Claude Fable 5.1 Anthropic GPT-6 Astra OpenAI
Input $10.00 $10.00
Output $50.00 $50.00
Blended $20.00 $20.00
Context window 1M 1.05M
Max output 128k 128k
Output speed 69.2 56.7
Quality 64 66.6
Reasoning 76.4 75.4
Coding 63.1 56.5
Value 0.8 0.8
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id claude-fable-5-1 gpt-6-astra

At a glance

Input price, per million tokens
  1. Claude Fable 5.1Anthropic$10.00
  2. GPT-6 AstraOpenAI$10.00
Output price, per million tokens
  1. Claude Fable 5.1Anthropic$50.00
  2. GPT-6 AstraOpenAI$50.00
Context window
  1. Claude Fable 5.1Anthropic1M
  2. GPT-6 AstraOpenAI1.05M

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