Comparing 2 models

Gemini 3.1 Pro Preview vs GPT-5.6 Luna

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1Gemini 3.1 Pro Preview
Model 2GPT-5.6 Luna
Best for
Chat & Roleplay (#2)
Competition Math (#1)
Provider
google
openai
Context
1.0M
1.1MBest
Input / 1M
$2
$1Best
Output / 1M
$12
$6Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Nov 18, 2025
Jul 9, 2026