Is Zai GLM-4.6 or Anthropic: Claude Opus 4.5 cheaper?

Zai GLM-4.6 is cheaper on output tokens ($1.50 vs $25.00 per 1M).

Which has the larger context window, Zai GLM-4.6 or Anthropic: Claude Opus 4.5?

Zai GLM-4.6 has the larger context window (205K tokens).

Zai GLM-4.6 vs Anthropic: Claude Opus 4.5

Zai GLM-4.6 is cheaper on output tokens, while Zai GLM-4.6 offers a larger context window. Choose Zai 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	Zai GLM-4.6	Anthropic: Claude Opus 4.5
Provider	Helicone	Helicone
Input / 1M tokens	$0.45	$5.00
Output / 1M tokens	$1.50	$25.00
Context window	205K	200K
Parameters	—	—
Open weights	No	No
Released	Jul 2024	Nov 2025

Zai 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.