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Run Cosmos-Reason2-2B on Lium

NVIDIA · Vision and text · 2.4B parameters · 4.9 GB BF16 weights · released 2025-12-12
It needs about 6 GB of VRAM. The cheapest setup that runs it is RTX 3090 (24 GB), from $0.19 per hour, billed per second.
Rent RTX 3090

Other GPUs that run it

T416 GBfrom $0.22 / hourRent
RTX A600048 GBfrom $0.40 / hourRent

How to run it

Rent the pod above, open a terminal over SSH or Jupyter and serve nvidia/Cosmos-Reason2-2B:
vllm serve nvidia/Cosmos-Reason2-2B
Claude Code and Codex can do all of it through the Lium CLI.

Frequently asked questions

How much VRAM does Cosmos-Reason2-2B need?

About 4.9 GB for the released BF16 weights, so plan on 6 GB with room for activations and KV cache at a short context. Longer contexts and bigger batches need more.

What GPU should I rent to run Cosmos-Reason2-2B?

RTX 3090 (24 GB). On Lium that setup costs from $0.19 per hour, billed per second with no minimum.
All open models
For AI agents (CLI install, agent skill, headless signup): llms-full.txt