Gemini 3 Pro Preview vs GPT-5.2 Pro

Compare Gemini 3 Pro Preview and GPT-5.2 Pro side by side. See pricing, capabilities, context length, and performance. Use both on Krater.ai from $20/mo.

Gemini 3 Pro Preview vs GPT-5.2 Pro: strengths, best use cases and how to run both side by side. The live page adds context windows, token pricing and more comparisons once it loads.

Try both on Krater

Run Gemini 3 Pro Preview and GPT-5.2 Pro on the same prompt in the Krater Model Arena, then keep the winner in your workflow. One subscription covers both, from $20 a month.

Open Krater chat · Gemini 3 Pro Preview on Krater · GPT-5.2 Pro on Krater

What each model is best at

Gemini 3 Pro Preview

Google's next-generation flagship AI model. Gemini 3 Pro Preview showcases breakthrough multimodal capabilities with enhanced reasoning and a massive context window.

Strengths

  • Next-gen multimodal understanding
  • Enhanced reasoning capabilities
  • Massive context window
  • Strong coding and analysis

Best for

  • Complex multimodal tasks
  • Long-document analysis
  • Research and discovery
  • Advanced coding projects

GPT-5.2 Pro

The premium tier of OpenAI's GPT-5.2, offering maximum capability and reasoning depth. GPT-5.2 Pro is designed for the most demanding professional and research applications.

Strengths

  • Maximum reasoning depth
  • Premium-tier performance across all tasks
  • Best-in-class instruction following
  • Exceptional at complex analysis

Best for

  • Professional research and analysis
  • Enterprise-critical tasks
  • Complex multi-step projects
  • Tasks requiring highest accuracy

How we compare models

Our tested head-to-heads run the same prompt set through both models in the Model Arena, then rank answers blind. Read the testing methodology, or browse every comparison.