by Google DeepMind

gemini-3.1-pro.

multimodal open weights 1M ctx
Cheapest input
$2.0/M
on DeepInfra
Cheapest output
$12.0/M
on DeepInfra
Hosted equiv.
~$4.32/hr
@ 100 tok/s on DeepInfra

Bring any idea to life with state-of-the-art reasoning to help you learn, build, and plan anything. Best for complex tasks and bringing creative concepts to life.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepInfra hosted inference $2.0 $12.0 Launch ↗
FAQ

Frequently asked.

How do I run gemini-3.1-pro?
gemini-3.1-pro 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 gemini-3.1-pro?
gemini-3.1-pro is available via DeepInfra. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run gemini-3.1-pro?
API pricing starts at $2.0/M input tokens and $12.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is gemini-3.1-pro open-source or proprietary?
gemini-3.1-pro is open-weight under the license. You can download and self-host it.