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

openai/gpt-oss-20b is cheaper on output tokens ($0.18 vs $2.34 per 1M).

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

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

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

openai/gpt-oss-20b is cheaper on output tokens, while Qwen3.5 397B-A17B offers a larger context window. Choose Qwen3.5 397B-A17B or openai/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	openai/gpt-oss-20b
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$0.39	$0.04
Output / 1M tokens	$2.34	$0.18
Context window	262K	131K
Parameters	397B	21B
Open weights	No	No
Released	Feb 2026	Aug 2025

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

FAQ

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