Is DeepSeek V4 Flash or Qwen 3.5 397B A17B cheaper?

DeepSeek V4 Flash is cheaper on output tokens ($0.20 vs $3.00 per 1M).

Which has the larger context window, DeepSeek V4 Flash or Qwen 3.5 397B A17B?

DeepSeek V4 Flash has the larger context window (1M tokens).

DeepSeek V4 Flash vs Qwen 3.5 397B A17B

DeepSeek V4 Flash is cheaper on output tokens, while DeepSeek V4 Flash offers a larger context window. Choose DeepSeek V4 Flash or Qwen 3.5 397B A17B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V4 Flash	Qwen 3.5 397B A17B
Provider	Deep Infra	Deep Infra
Input / 1M tokens	$0.10	$0.45
Output / 1M tokens	$0.20	$3.00
Context window	1M	262K
Parameters	284B	397B
Open weights	Yes	Yes
Released	Apr 2026	Feb 2026

DeepSeek V4 Flash details →Qwen 3.5 397B A17B details →

FAQ

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