Is Qwen3 4B or GLM-5.1 cheaper?

Qwen3 4B is cheaper on output tokens ($0.03 vs $4.40 per 1M).

Which has the larger context window, Qwen3 4B or GLM-5.1?

GLM-5.1 has the larger context window (205K tokens).

Qwen3 4B vs GLM-5.1

Qwen3 4B is cheaper on output tokens, while GLM-5.1 offers a larger context window. Choose Qwen3 4B or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3 4B	GLM-5.1
Provider	NovitaAI	NovitaAI
Input / 1M tokens	$0.03	$1.40
Output / 1M tokens	$0.03	$4.40
Context window	128K	205K
Parameters	—	754B
Open weights	Yes	Yes
Released	Apr 2025	Mar 2026

Qwen3 4B 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.