Is Qwen/Qwen3.5-9B or deepseek-ai/DeepSeek-R1 cheaper?

Qwen/Qwen3.5-9B is cheaper on output tokens ($0.15 vs $2.18 per 1M).

Which has the larger context window, Qwen/Qwen3.5-9B or deepseek-ai/DeepSeek-R1?

Qwen/Qwen3.5-9B has the larger context window (262K tokens).

Qwen/Qwen3.5-9B vs deepseek-ai/DeepSeek-R1

Qwen/Qwen3.5-9B is cheaper on output tokens, while Qwen/Qwen3.5-9B offers a larger context window. Choose Qwen/Qwen3.5-9B or deepseek-ai/DeepSeek-R1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen/Qwen3.5-9B	deepseek-ai/DeepSeek-R1
Provider	SiliconFlow	SiliconFlow
Input / 1M tokens	$0.10	$0.50
Output / 1M tokens	$0.15	$2.18
Context window	262K	164K
Parameters	—	671B
Open weights	No	No
Released	Mar 2026	May 2025

Qwen/Qwen3.5-9B 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.