GLM-5.2 vs GPT-5.4

For product management work, compared on the PM Index.

• •GLM-5.2 leads on the PM Index (55.7 vs 55.3).
• •GLM-5.2 is cheaper ($2.15 vs $5.63 per 1M tokens).
• •GPT-5.4 is faster (147 vs 112 tok/s).