Comparing 2 models

GPT-5.4 vs GLM 5.1

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

metric
Model 1GPT-5.4
Model 2GLM 5.1
Best for
Fast Summaries (#1)
Translation (#1)
Provider
openai
z-ai
Context
1.1MBest
205K
Input / 1M
$2.50
$0.97Best
Output / 1M
$15
$3.04Best
Tool use
yesBest
yesBest
Vision
yesBest
Reasoning
yesBest
yesBest
Open-weight
yesBest
Released
Mar 5, 2026
Jan 20, 2025