Comparing 2 models

Claude Opus 5 vs Gemini 3.1 Pro Preview

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

metric
Model 1Claude Opus 5
Model 2Gemini 3.1 Pro Preview
Best for
Agentic Coding (#1)
Cheapest Capable LLM (#2)
Provider
anthropic
google
Context
1M
1.0MBest
Input / 1M
$5
$2Best
Output / 1M
$25
$12Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Jul 23, 2026
Nov 18, 2025