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Gemini 3.1 Pro Google Preview GPT-4o OpenAI Deprecated
Input $2.00 $2.50
Output $12.00 $10.00
Blended $4.50 $4.38
Context window 1.05M 128k
Max output 66k 16k
Output speed 126.5 173.7
Quality 57.2 43.3
Reasoning 70.6 28.4
Coding 67.8 15.5
Value 3.1 2.4
Vision ✓ ✓
Reasoning ✓ −
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ ✓
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id gemini-3.1-pro-preview gpt-4o

At a glance

Input price, per million tokens
  1. Gemini 3.1 ProGoogle$2.00
  2. GPT-4oOpenAI$2.50
Output price, per million tokens
  1. Gemini 3.1 ProGoogle$12.00
  2. GPT-4oOpenAI$10.00
Context window
  1. Gemini 3.1 ProGoogle1.05M
  2. GPT-4oOpenAI128k

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