Is Claude Sonnet 4.6 or GLM 4.5 cheaper?

GLM 4.5 is cheaper on output tokens ($2.46 vs $17.92 per 1M).

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

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

Claude Sonnet 4.6 vs GLM 4.5

GLM 4.5 is cheaper on output tokens, while Claude Sonnet 4.6 offers a larger context window. Choose Claude Sonnet 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 Sonnet 4.6	GLM 4.5
Provider	Cortecs	Cortecs
Input / 1M tokens	$3.59	$0.67
Output / 1M tokens	$17.92	$2.46
Context window	1M	131K
Parameters	—	355B
Open weights	No	Yes
Released	Feb 2026	Jul 2025

Claude Sonnet 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.