Grok 4.5 vs GLM 5.3 Flash

Compare Grok 4.5 and GLM 5.3 Flash across pricing, context window, modalities.

Grok 4.5

xAI

Input $2.00/1M

Context 500,000

GLM 5.3 Flash

Z Ai

Input $0.08/1M

Context 1,310,720

As of 2026-08-29 · Compare other models