Comparing 2 models

GPT-5.4 Mini vs GLM 5.2

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

metric
Model 1GPT-5.4 Mini
Model 2GLM 5.2
Best for
Fast Summaries (#2)
RAG & Long Context (#2)
Provider
openai
z-ai
Context
400K
1.0MBest
Input / 1M
$0.75Best
$0.81
Output / 1M
$4.50
$2.56Best
Tool use
yesBest
yesBest
Vision
yesBest
Reasoning
yesBest
yesBest
Open-weight
yesBest
Released
Mar 17, 2026
Jun 16, 2026