GPT-5.6 Sol vs Gemini 3.1 Pro

OpenAI vs Google — compared on intelligence, speed, price, and capabilities.

Quick answer

GPT-5.6 Sol scores higher on intelligence (98 vs 92) and is faster, while Gemini 3.1 Pro is about 40% cheaper per million output tokens.

OpenAIGPT-5.6 SolGoogleGemini 3.1 Pro
Intelligence9892
Speed8568
Input $ / 1M tokens$5$4
Output $ / 1M tokens$30$18
OpenAIGPT-5.6 Sol

OpenAI's frontier GPT-5.6 model for complex professional work, with a 1.05M token context window, native web search, and image generation.

  • ✓ reasoning
  • ✓ web search
  • ✓ reasoning effort
  • ✓ vision
  • ✓ documents
  • ✓ image generation
GoogleGemini 3.1 Pro

Refined Gemini 3 Pro with better thinking, improved token efficiency, and enhanced factual consistency. Optimized for software engineering behavior, agentic workflows, and precise multi-step execution across real-world domains.

  • ✓ reasoning
  • ✓ temperature
  • ✓ web search
  • ✓ reasoning effort
  • ✓ image generation

Frequently asked questions

GPT-5.6 Sol vs Gemini 3.1 Pro: which is better?
GPT-5.6 Sol scores higher on intelligence (98 vs 92) and is faster, while Gemini 3.1 Pro is about 40% cheaper per million output tokens.
Which is cheaper?
Gemini 3.1 Pro is about 40% cheaper: GPT-5.6 Sol lists at $30 and Gemini 3.1 Pro at $18 per million output tokens.
Which is better for coding?
GPT-5.6 Sol is the stronger pick for hard coding work: it scores higher on intelligence (98 vs 92), and it can reason step by step before answering. For quick edits, the faster or cheaper model is often enough.
Can I use both together?
Yes. In EVA's Multi Chat you send one prompt to GPT-5.6 Sol and Gemini 3.1 Pro at once and read the answers side by side, or use Split Chat to run two separate conversations next to each other. Both draw on the same EVA credit balance.

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