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Gemini 3.1 Pro Google Preview GPT-5.1-Codex-Max 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 No data
Quality 57.2 No data
Reasoning 70.6 No data
Coding 67.8 No data
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-max

At a glance

Context window
  1. Gemini 3.1 ProGoogle1.05M
  2. GPT-5.1-Codex-MaxOpenAI400k

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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