Comparing 2 models

Gemini 3.1 Pro Preview vs GPT-5.6 Terra

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 Terra
Best for
Fast Summaries (#1)
Hermes Agent (#4)
Provider
google
openai
Context
1.0M
1.1MBest
Input / 1M
$2
$1.25Best
Output / 1M
$12
$7.50Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Feb 18, 2026
Jul 9, 2026