Comparing 2 models

Claude Opus 4.5 vs Gemini 3 Flash Preview

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

metric
Model 1Claude Opus 4.5
Model 2Gemini 3 Flash Preview
Best for
Agentic Coding (#1)
Document Summarization (#4)
Provider
anthropic
google
Context
200K
1.0MBest
Input / 1M
$5
$0.50Best
Output / 1M
$25
$3Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Nov 1, 2025
Dec 17, 2025