Is Z.ai: GLM 5 or Anthropic: Claude Opus 4.5 cheaper?

Z.ai: GLM 5 is cheaper on output tokens ($2.30 vs $25.00 per 1M).

Which has the larger context window, Z.ai: GLM 5 or Anthropic: Claude Opus 4.5?

Z.ai: GLM 5 has the larger context window (203K tokens).

Z.ai: GLM 5 vs Anthropic: Claude Opus 4.5

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

Spec	Z.ai: GLM 5	Anthropic: Claude Opus 4.5
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.72	$5.00
Output / 1M tokens	$2.30	$25.00
Context window	203K	200K
Parameters	744B	—
Open weights	Yes	No
Released	Feb 2026	Nov 2025

Z.ai: GLM 5 details →Anthropic: 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.