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GPT-5 Pro OpenAI Legacy GPT-6 Astra Pro OpenAI
Input $15.00 $10.00
Output $120.00 $50.00
Blended $41.25 $20.00
Context window 400k 1.05M
Max output 272k 128k
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching − ✓
Batch API ✓ −
Licence Proprietary Proprietary
API model id gpt-5-pro gpt-6-astra-pro

At a glance

Input price, per million tokens
  1. GPT-5 ProOpenAI$15.00
  2. GPT-6 Astra ProOpenAI$10.00
Output price, per million tokens
  1. GPT-5 ProOpenAI$120
  2. GPT-6 Astra ProOpenAI$50.00
Context window
  1. GPT-5 ProOpenAI400k
  2. GPT-6 Astra ProOpenAI1.05M

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