Is Qwen/Qwen2.5-72B-Instruct or Qwen/Qwen3.5-397B-A17B cheaper?

Qwen/Qwen2.5-72B-Instruct is cheaper on output tokens ($0.59 vs $1.74 per 1M).

Which has the larger context window, Qwen/Qwen2.5-72B-Instruct or Qwen/Qwen3.5-397B-A17B?

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

Qwen/Qwen2.5-72B-Instruct vs Qwen/Qwen3.5-397B-A17B

Qwen/Qwen2.5-72B-Instruct is cheaper on output tokens, while Qwen/Qwen3.5-397B-A17B offers a larger context window. Choose Qwen/Qwen2.5-72B-Instruct or Qwen/Qwen3.5-397B-A17B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen/Qwen2.5-72B-Instruct	Qwen/Qwen3.5-397B-A17B
Provider	SiliconFlow (China)	SiliconFlow (China)
Input / 1M tokens	$0.59	$0.29
Output / 1M tokens	$0.59	$1.74
Context window	33K	262K
Parameters	—	397B
Open weights	No	Yes
Released	Sep 2024	Feb 2026

Qwen/Qwen2.5-72B-Instruct details →Qwen/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.