Here is the pricing per M tokens. https://docs.z.ai/guides/overview/pricing Why is GLM 5 more expensive than GLM 4.7 even when using sparse attention? There is also a GLM 5-code model.
It's roughly three times cheaper than GPT-5.2-codex, which in turn reflects the difference in energy cost between US and China.
2. cost is only a singular input into price determination and we really have absolutely zero idea what the margins on inference even are so assuming the current pricing is actually connected to costs is suspect.