Is Grok Build 0.1 or GLM-5.1 cheaper?

Grok Build 0.1 is cheaper on output tokens ($2.00 vs $4.40 per 1M).

Which has the larger context window, Grok Build 0.1 or GLM-5.1?

Grok Build 0.1 has the larger context window (256K tokens).

Grok Build 0.1 vs GLM-5.1

Grok Build 0.1 is cheaper on output tokens, while Grok Build 0.1 offers a larger context window. Choose Grok Build 0.1 or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Grok Build 0.1	GLM-5.1
Provider	OpenCode Zen	OpenCode Zen
Input / 1M tokens	$1.00	$1.40
Output / 1M tokens	$2.00	$4.40
Context window	256K	205K
Parameters	—	754B
Open weights	No	Yes
Released	May 2026	Apr 2026

Grok Build 0.1 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.