Is GLM-4.6 or Claude Opus 4.5 cheaper?

GLM-4.6 is cheaper on output tokens ($2.20 vs $25.00 per 1M).

Which has the larger context window, GLM-4.6 or Claude Opus 4.5?

Claude Opus 4.5 has the larger context window (200K tokens).

GLM-4.6 vs Claude Opus 4.5

GLM-4.6 is cheaper on output tokens, while Claude Opus 4.5 offers a larger context window. Choose GLM-4.6 or Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GLM-4.6	Claude Opus 4.5
Provider	Abacus	Abacus
Input / 1M tokens	$0.60	$5.00
Output / 1M tokens	$2.20	$25.00
Context window	128K	200K
Parameters	357B	—
Open weights	Yes	No
Released	Mar 2025	Nov 2025

GLM-4.6 details →Claude Opus 4.5 details →

FAQ

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