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

deepseek-ai/DeepSeek-R1 is cheaper on output tokens ($2.18 vs $2.34 per 1M).

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

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

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

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

Spec	deepseek-ai/DeepSeek-R1	Qwen3.5 397B-A17B
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$0.50	$0.39
Output / 1M tokens	$2.18	$2.34
Context window	164K	262K
Parameters	671B	397B
Open weights	No	No
Released	May 2025	Feb 2026

deepseek-ai/DeepSeek-R1 details →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.