Is Claude Sonnet 5 or GLM-4.5-Flash cheaper?

GLM-4.5-Flash is cheaper on output tokens ($0.00 vs $7.20 per 1M).

Which has the larger context window, Claude Sonnet 5 or GLM-4.5-Flash?

Claude Sonnet 5 has the larger context window (1M tokens).

Claude Sonnet 5 vs GLM-4.5-Flash

GLM-4.5-Flash is cheaper on output tokens, while Claude Sonnet 5 offers a larger context window. Choose Claude Sonnet 5 or GLM-4.5-Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 5	GLM-4.5-Flash
Provider	UnoRouter	UnoRouter
Input / 1M tokens	$1.44	$0.00
Output / 1M tokens	$7.20	$0.00
Context window	1M	131K
Parameters	—	—
Open weights	No	No
Released	Jun 2026	Jul 2025

Claude Sonnet 5 details →GLM-4.5-Flash details →

FAQ

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