Is Z.ai: GLM 4.6 or Anthropic: Claude Opus 4.5 cheaper?

Z.ai: GLM 4.6 is cheaper on output tokens ($1.90 vs $25.00 per 1M).

Which has the larger context window, Z.ai: GLM 4.6 or Anthropic: Claude Opus 4.5?

Z.ai: GLM 4.6 has the larger context window (205K tokens).

Z.ai: GLM 4.6 vs Anthropic: Claude Opus 4.5

Z.ai: GLM 4.6 is cheaper on output tokens, while Z.ai: GLM 4.6 offers a larger context window. Choose Z.ai: GLM 4.6 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 4.6	Anthropic: Claude Opus 4.5
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.39	$5.00
Output / 1M tokens	$1.90	$25.00
Context window	205K	200K
Parameters	357B	—
Open weights	Yes	No
Released	Sep 2025	Nov 2025

Z.ai: GLM 4.6 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.