Is Qwen3.5 397B-A17B or gpt-oss-20b cheaper?

gpt-oss-20b is cheaper on output tokens ($0.14 vs $2.45 per 1M).

Which has the larger context window, Qwen3.5 397B-A17B or gpt-oss-20b?

Both models offer a similar context window.

Qwen3.5 397B-A17B vs gpt-oss-20b

gpt-oss-20b is cheaper on output tokens. Choose Qwen3.5 397B-A17B or gpt-oss-20b based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3.5 397B-A17B	gpt-oss-20b
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.39	$0.03
Output / 1M tokens	$2.45	$0.14
Context window	131K	131K
Parameters	397B	21B
Open weights	Yes	Yes
Released	Feb 2026	Aug 2025

Qwen3.5 397B-A17B details →gpt-oss-20b details →

FAQ

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