Is Qwen: Qwen3.5-Flash or DeepSeek: R1 cheaper?

Qwen: Qwen3.5-Flash is cheaper on output tokens ($0.40 vs $2.50 per 1M).

Which has the larger context window, Qwen: Qwen3.5-Flash or DeepSeek: R1?

Qwen: Qwen3.5-Flash has the larger context window (1M tokens).

Qwen: Qwen3.5-Flash vs DeepSeek: R1

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

Spec	Qwen: Qwen3.5-Flash	DeepSeek: R1
Provider	Kilo Gateway	Kilo Gateway
Input / 1M tokens	$0.10	$0.70
Output / 1M tokens	$0.40	$2.50
Context window	1M	64K
Parameters	—	671B
Open weights	Yes	Yes
Released	Feb 2026	Jan 2025

Qwen: Qwen3.5-Flash details →DeepSeek: R1 details →

FAQ

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