Is DeepSeek: R1 or DeepSeek: DeepSeek V3.1 Terminus cheaper?

DeepSeek: DeepSeek V3.1 Terminus is cheaper on output tokens ($0.95 vs $2.50 per 1M).

Which has the larger context window, DeepSeek: R1 or DeepSeek: DeepSeek V3.1 Terminus?

Both models offer a similar context window.

DeepSeek: R1 vs DeepSeek: DeepSeek V3.1 Terminus

DeepSeek: DeepSeek V3.1 Terminus is cheaper on output tokens. Choose DeepSeek: R1 or DeepSeek: DeepSeek V3.1 Terminus based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek: R1	DeepSeek: DeepSeek V3.1 Terminus
Provider	DeepSeek	DeepSeek
Input / 1M tokens	$0.70	$0.27
Output / 1M tokens	$2.50	$0.95
Context window	164K	164K
Parameters	671B	—
Open weights	Yes	—
Released	Jan 2025	—

DeepSeek: R1 details →DeepSeek: DeepSeek V3.1 Terminus details →

FAQ

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