Is Qwen3.5-397B-A17B or DeepSeek V4 Flash cheaper?

DeepSeek V4 Flash is cheaper on output tokens ($0.28 vs $2.60 per 1M).

Which has the larger context window, Qwen3.5-397B-A17B or DeepSeek V4 Flash?

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

Qwen3.5-397B-A17B vs DeepSeek V4 Flash

DeepSeek V4 Flash is cheaper on output tokens, while DeepSeek V4 Flash offers a larger context window. Choose Qwen3.5-397B-A17B or DeepSeek V4 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen3.5-397B-A17B	DeepSeek V4 Flash
Provider	Wafer	Wafer
Input / 1M tokens	$0.43	$0.14
Output / 1M tokens	$2.60	$0.28
Context window	262K	1M
Parameters	397B	284B
Open weights	Yes	Yes
Released	Feb 2026	Apr 2026

Qwen3.5-397B-A17B details →DeepSeek V4 Flash details →

FAQ

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