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Gemini 3.1 Pro Google Preview GPT-5.1-Codex Mini OpenAI Deprecated
Input $2.00 No data
Output $12.00 No data
Blended $4.50 No data
Context window 1.05M 400k
Max output 66k 128k
Output speed 126.5 171.6
Quality 57.2 67.7
Reasoning 70.6 49.9
Coding 67.8 46
Value 3.1 No data
Vision ✓ ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output ✓ ✓
Prompt caching ✓ −
Batch API ✓ ✓
Licence Proprietary Proprietary
API model id gemini-3.1-pro-preview gpt-5.1-codex-mini

At a glance

Context window
  1. Gemini 3.1 ProGoogle1.05M
  2. GPT-5.1-Codex MiniOpenAI400k

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Language models 77
Image generation 18
Video generation 11
Text to speech 9
Speech to text 25
Voice and realtime 17
Embeddings 3