Is Yi Lightning or GLM 4.5 cheaper?

Yi Lightning is cheaper on output tokens ($0.20 vs $1.30 per 1M).

Which has the larger context window, Yi Lightning or GLM 4.5?

GLM 4.5 has the larger context window (128K tokens).

Yi Lightning vs GLM 4.5

Yi Lightning is cheaper on output tokens, while GLM 4.5 offers a larger context window. Choose Yi Lightning or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Yi Lightning	GLM 4.5
Provider	NanoGPT	NanoGPT
Input / 1M tokens	$0.20	$0.30
Output / 1M tokens	$0.20	$1.30
Context window	12K	128K
Parameters	—	355B
Open weights	No	No
Released	Oct 2024	Apr 2025

Yi Lightning details →GLM 4.5 details →

FAQ

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