Is DeepSeek V3.1 or DeepSeek-V3 cheaper?

DeepSeek-V3 is cheaper on output tokens ($1.25 vs $1.70 per 1M).

Which has the larger context window, DeepSeek V3.1 or DeepSeek-V3?

Both models offer a similar context window.

DeepSeek V3.1 vs DeepSeek-V3

DeepSeek-V3 is cheaper on output tokens. Choose DeepSeek V3.1 or DeepSeek-V3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V3.1	DeepSeek-V3
Provider	Together AI	Together AI
Input / 1M tokens	$0.60	$1.25
Output / 1M tokens	$1.70	$1.25
Context window	131K	131K
Parameters	—	671B
Open weights	Yes	Yes
Released	Aug 2025	Dec 2024

DeepSeek V3.1 details →DeepSeek-V3 details →

FAQ

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