Is Qwen/Qwen3.5-397B-A17B or deepseek-ai/DeepSeek-R1 cheaper?

Qwen/Qwen3.5-397B-A17B is cheaper on output tokens ($1.74 vs $2.18 per 1M).

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

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

Qwen/Qwen3.5-397B-A17B vs deepseek-ai/DeepSeek-R1

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

Spec	Qwen/Qwen3.5-397B-A17B	deepseek-ai/DeepSeek-R1
Provider	SiliconFlow (China)	SiliconFlow (China)
Input / 1M tokens	$0.29	$0.50
Output / 1M tokens	$1.74	$2.18
Context window	262K	164K
Parameters	397B	671B
Open weights	Yes	No
Released	Feb 2026	May 2025

Qwen/Qwen3.5-397B-A17B details →deepseek-ai/DeepSeek-R1 details →

FAQ

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