Is Minimax M2.1 or GLM-5.1 cheaper?

Minimax M2.1 is cheaper on output tokens ($1.20 vs $4.40 per 1M).

Which has the larger context window, Minimax M2.1 or GLM-5.1?

Both models offer a similar context window.

Minimax M2.1 vs GLM-5.1

Minimax M2.1 is cheaper on output tokens. Choose Minimax M2.1 or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Minimax M2.1	GLM-5.1
Provider	NovitaAI	NovitaAI
Input / 1M tokens	$0.30	$1.40
Output / 1M tokens	$1.20	$4.40
Context window	205K	205K
Parameters	229B	754B
Open weights	Yes	Yes
Released	Dec 2025	Mar 2026

Minimax M2.1 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.