by DeepSeek

DeepSeek: DeepSeek V3.1 Terminus.

text open weights datacenter 689B params 164K ctx
Cheapest input
$0.27/M
on DeepSeek Platform
Cheapest output
$0.95/M
on DeepSeek Platform
Smallest GPU
2× AMD MI325
$5.97/hr

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent ca

Smallest GPU to run it See all quantisations →

2× AMD MI325 · $5.97/hr.

Most-aggressive quantisation we have a working recommendation for. Lower precision = less VRAM = cheaper hardware, at a small accuracy cost.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepSeek Platform api direct $0.27 $0.95 Launch ↗
DeepInfra hosted inference $0.27 $0.95 Launch ↗
OpenRouter api aggregator $0.27 $1.0 Launch ↗
Sources

Official references.

FAQ

Frequently asked.

How do I run DeepSeek: DeepSeek V3.1 Terminus?
DeepSeek: DeepSeek V3.1 Terminus is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access DeepSeek: DeepSeek V3.1 Terminus?
DeepSeek: DeepSeek V3.1 Terminus is available via DeepSeek Platform, DeepInfra, OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run DeepSeek: DeepSeek V3.1 Terminus?
API pricing starts at $0.27/M input tokens and $0.95/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is DeepSeek: DeepSeek V3.1 Terminus open-source or proprietary?
DeepSeek: DeepSeek V3.1 Terminus is open-weight under the license. You can download and self-host it.