Comparing 2 models

Gemini 3 Flash 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 Flash Preview
Model 2GPT-5.6 Luna
Best for
Chat & Roleplay (#4)
Massive Context (#2)
Provider
google
openai
Context
1.0M
1.1MBest
Input / 1M
$0.50
$0.100Best
Output / 1M
$3
$0.60Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Dec 17, 2025
Jul 9, 2026