Is GLM 5 or Claude Sonnet 4.5 cheaper?

GLM 5 is cheaper on output tokens ($3.20 vs $18.75 per 1M).

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

Both models offer a similar context window.

GLM 5 vs Claude Sonnet 4.5

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

Spec	GLM 5	Claude Sonnet 4.5
Provider	Venice AI	Venice AI
Input / 1M tokens	$1.00	$3.75
Output / 1M tokens	$3.20	$18.75
Context window	198K	198K
Parameters	744B	—
Open weights	Yes	No
Released	Feb 2026	Jan 2025

GLM 5 details →Claude Sonnet 4.5 details →

FAQ

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