Head to head

o4-mini vs GLM-5.2

On a blended workload of one million input tokens and three million output tokens, o4-mini is 1.0× cheaper than GLM-5.2.

o4-miniGLM-5.2
Provider OpenAI Together AI
Input / MTok $1.1 $1.4
Output / MTok $4.4 $4.4
Cache read / MTok $0.275
Context window 200,000 262,144
Blended 1M in + 3M out $14.30 $14.60
Status ga ga

o4-mini detail   GLM-5.2 detail