Is Grok 4.20 Multi-Agent or GLM 4.5 cheaper?

GLM 4.5 is cheaper on output tokens ($2.20 vs $2.50 per 1M).

Which has the larger context window, Grok 4.20 Multi-Agent or GLM 4.5?

Grok 4.20 Multi-Agent has the larger context window (2M tokens).

Grok 4.20 Multi-Agent vs GLM 4.5

GLM 4.5 is cheaper on output tokens, while Grok 4.20 Multi-Agent offers a larger context window. Choose Grok 4.20 Multi-Agent or GLM 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok 4.20 Multi-Agent	GLM 4.5
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$1.25	$0.60
Output / 1M tokens	$2.50	$2.20
Context window	2M	128K
Parameters	—	355B
Open weights	No	Yes
Released	Mar 2026	Jul 2025

Grok 4.20 Multi-Agent 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.