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

Qwen3.5-397B-A17B is cheaper on output tokens ($2.60 vs $3.48 per 1M).

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

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

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

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

Spec	Qwen3.5-397B-A17B	DeepSeek V4 Pro
Provider	Wafer	Wafer
Input / 1M tokens	$0.43	$1.74
Output / 1M tokens	$2.60	$3.48
Context window	262K	1M
Parameters	397B	1.6T
Open weights	Yes	Yes
Released	Feb 2026	Apr 2026

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

FAQ

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