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Run ZwZ2-4B on Lium
Ant Group · Vision and text · 4.5B parameters · 9.1 GB BF16 weights · released 2026-10-15
It needs about 11 GB of VRAM. The cheapest setup that runs it is RTX A4500 (20 GB), from $0.16 per hour, billed per second.
Other GPUs that run it
How to run it
Rent the pod above, open a terminal over SSH or Jupyter and serve inclusionAI/ZwZ2-4B:
vllm serve inclusionAI/ZwZ2-4BClaude Code and Codex can do all of it through the Lium CLI.
Frequently asked questions
How much VRAM does ZwZ2-4B need?
About 9.1 GB for the released BF16 weights, so plan on 11 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 ZwZ2-4B?
RTX A4500 (20 GB). On Lium that setup costs from $0.16 per hour, billed per second with no minimum.
For AI agents (CLI install, agent skill, headless signup): llms-full.txt