Comparing 2 models

Claude Opus 4.5 vs GPT-5.6 Sol

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

metric
Model 1Claude Opus 4.5
Model 2GPT-5.6 Sol
Best for
Agentic Coding (#1)
Massive Context (#1)
Provider
anthropic
openai
Context
200K
1.1MBest
Input / 1M
$5Best
$5Best
Output / 1M
$25Best
$30
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Nov 24, 2025
Jul 9, 2026