Is GLM 5.2 Short Flex or GLM 5 Fast cheaper?

GLM 5.2 Short Flex is cheaper on output tokens ($2.93 vs $3.60 per 1M).

Which has the larger context window, GLM 5.2 Short Flex or GLM 5 Fast?

GLM 5 Fast has the larger context window (203K tokens).

GLM 5.2 Short Flex vs GLM 5 Fast

GLM 5.2 Short Flex is cheaper on output tokens, while GLM 5 Fast offers a larger context window. Choose GLM 5.2 Short Flex or GLM 5 Fast based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM 5.2 Short Flex	GLM 5 Fast
Provider	Neuralwatt	Neuralwatt
Input / 1M tokens	$0.94	$1.10
Output / 1M tokens	$2.93	$3.60
Context window	200K	203K
Parameters	—	—
Open weights	Yes	Yes
Released	Jun 2026	Apr 2026

GLM 5.2 Short Flex details →GLM 5 Fast details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.