Is Qwen3.5 397B-A17B or DeepSeek R1 cheaper?

DeepSeek R1 is cheaper on output tokens ($2.29 vs $2.58 per 1M).

Which has the larger context window, Qwen3.5 397B-A17B or DeepSeek R1?

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

Qwen3.5 397B-A17B vs DeepSeek R1

DeepSeek R1 is cheaper on output tokens, while Qwen3.5 397B-A17B offers a larger context window. Choose Qwen3.5 397B-A17B or DeepSeek R1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3.5 397B-A17B	DeepSeek R1
Provider	Alibaba (China)	Alibaba (China)
Input / 1M tokens	$0.43	$0.57
Output / 1M tokens	$2.58	$2.29
Context window	262K	131K
Parameters	397B	671B
Open weights	Yes	No
Released	Feb 2026	Jan 2025

Qwen3.5 397B-A17B details →DeepSeek R1 details →

FAQ

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