Is GLM-5.1 (Z.ai) or Claude Opus 4.7 cheaper?

GLM-5.1 (Z.ai) is cheaper on output tokens ($3.38 vs $25.00 per 1M).

Which has the larger context window, GLM-5.1 (Z.ai) or Claude Opus 4.7?

Claude Opus 4.7 has the larger context window (1M tokens).

GLM-5.1 (Z.ai) vs Claude Opus 4.7

GLM-5.1 (Z.ai) is cheaper on output tokens, while Claude Opus 4.7 offers a larger context window. Choose GLM-5.1 (Z.ai) or Claude Opus 4.7 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-5.1 (Z.ai)	Claude Opus 4.7
Provider	AIHubMix	AIHubMix
Input / 1M tokens	$0.85	$5.00
Output / 1M tokens	$3.38	$25.00
Context window	200K	1M
Parameters	—	—
Open weights	Yes	No
Released	Mar 2026	Apr 2026

GLM-5.1 (Z.ai) details →Claude Opus 4.7 details →

FAQ

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