Is Step 3.5 Flash or GLM-5.1 cheaper?

Step 3.5 Flash is cheaper on output tokens ($0.30 vs $3.20 per 1M).

Which has the larger context window, Step 3.5 Flash or GLM-5.1?

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

Step 3.5 Flash vs GLM-5.1

Step 3.5 Flash is cheaper on output tokens, while Step 3.5 Flash offers a larger context window. Choose Step 3.5 Flash or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 3.5 Flash	GLM-5.1
Provider	Hugging Face	Hugging Face
Input / 1M tokens	$0.10	$1.00
Output / 1M tokens	$0.30	$3.20
Context window	262K	203K
Parameters	—	754B
Open weights	Yes	Yes
Released	Jan 2026	Apr 2026

Step 3.5 Flash details →GLM-5.1 details →

FAQ

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