Is Claude Opus 4.6 or GLM 4.5 cheaper?

GLM 4.5 is cheaper on output tokens ($2.20 vs $25.00 per 1M).

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

Claude Opus 4.6 has the larger context window (1M tokens).

Claude Opus 4.6 vs GLM 4.5

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

Spec	Claude Opus 4.6	GLM 4.5
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$5.00	$0.60
Output / 1M tokens	$25.00	$2.20
Context window	1M	128K
Parameters	—	355B
Open weights	No	Yes
Released	Feb 2026	Jul 2025

Claude Opus 4.6 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.