Is zai-org/GLM-5.1 or Qwen3.5 397B-A17B cheaper?

Qwen3.5 397B-A17B is cheaper on output tokens ($2.34 vs $4.40 per 1M).

Which has the larger context window, zai-org/GLM-5.1 or Qwen3.5 397B-A17B?

Qwen3.5 397B-A17B has the larger context window (262K tokens).

zai-org/GLM-5.1 vs Qwen3.5 397B-A17B

Qwen3.5 397B-A17B is cheaper on output tokens, while Qwen3.5 397B-A17B offers a larger context window. Choose zai-org/GLM-5.1 or Qwen3.5 397B-A17B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	zai-org/GLM-5.1	Qwen3.5 397B-A17B
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$1.40	$0.39
Output / 1M tokens	$4.40	$2.34
Context window	205K	262K
Parameters	754B	397B
Open weights	Yes	No
Released	Apr 2026	Feb 2026

zai-org/GLM-5.1 details →Qwen3.5 397B-A17B details →

FAQ

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