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

DeepSeek V4 Pro is cheaper on output tokens ($3.48 vs $3.60 per 1M).

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

DeepSeek V4 Pro has the larger context window (512K tokens).

Qwen3.5 397B A17B vs DeepSeek V4 Pro

DeepSeek V4 Pro 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	Together AI	Together AI
Input / 1M tokens	$0.60	$1.74
Output / 1M tokens	$3.60	$3.48
Context window	262K	512K
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.