Comparing 2 models

Claude Sonnet 5 vs GLM 5.1

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

metric
Model 1Claude Sonnet 5
Model 2GLM 5.1
Best for
AI Agents (#3)
Business Writing (#5)
Provider
anthropic
z-ai
Context
1MBest
205K
Input / 1M
$2
$0.97Best
Output / 1M
$10
$3.04Best
Tool use
yesBest
yesBest
Vision
yesBest
Reasoning
yesBest
yesBest
Open-weight
yesBest
Released
Jun 30, 2026
Jan 20, 2025