Is StepFun 3.5 Flash or GLM 4.5 cheaper?

StepFun 3.5 Flash is cheaper on output tokens ($0.30 vs $2.20 per 1M).

Which has the larger context window, StepFun 3.5 Flash or GLM 4.5?

StepFun 3.5 Flash has the larger context window (262K tokens).

StepFun 3.5 Flash vs GLM 4.5

StepFun 3.5 Flash is cheaper on output tokens, while StepFun 3.5 Flash offers a larger context window. Choose StepFun 3.5 Flash or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	StepFun 3.5 Flash	GLM 4.5
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.09	$0.60
Output / 1M tokens	$0.30	$2.20
Context window	262K	128K
Parameters	—	355B
Open weights	No	Yes
Released	Jan 2026	Jul 2025

StepFun 3.5 Flash 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.