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Can I run Olmo 3.1 32B Instruct on Generic Android Phone (12GB RAM)?

Compatibility verdict VRAM threshold engine
No, not enough memory would not load

No. Olmo 3.1 32B Instruct needs ~20.3 GB even at Q4_K_M, but Generic Android Phone (12GB RAM) only has ~8.5 GB usable.

Needs ~20.3 GB Device usable ~8.5 GB

Needs ~20.3 GB even at Q4_K_M, but only ~8.5 GB is usable.

That figure is at a 4k context and moves about ±15% as context length changes.

The gap is about 11.8 GB: Olmo 3.1 32B Instruct needs roughly 20.3 GB at Q4_K_M and Generic Android Phone (12GB RAM) leaves only about 8.5 GB usable for a model. The lightest tracked hardware that runs Olmo 3.1 32B Instruct is the Nvidia GeForce RTX 4090 (24GB) at 24 GB. See Olmo 3.1 32B Instruct on Nvidia GeForce RTX 4090 (24GB).

Q4_K_M needed
~20.3 GB
Usable on device
~8.5 GB
Device memory
12 GB
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Which quant fits

Quant ladder vs ~8.5 GB usable
Q2_K
~15.6 GB
Q3_K_M
~17.8 GB
Q4_K_M
~20.3 GB
Q5_K_M
~25 GB
Q6_K
~28.4 GB
Q8_0
~34.1 GB
FP16
~66.2 GB
The line marks Generic Android Phone (12GB RAM)'s ~8.5 GB budget; rungs past it are too large.

How to run it

On Android use PocketPal AI (Polished app, download GGUF and run offline.).

Model Olmo
Parameters
32B
Q4_K_M size
18.14 GB
Q8_0 size
31.9 GB
Context
64k
Ollama tag
olmo-3.1:32b-instruct
Full Olmo 3.1 32B Instruct requirements →
Device Android
Memory
12 GB ram
Usable for weights
~8.5 GB
Best runtime
llama.cpp (PocketPal) or MLC-LLM
Best models for Generic Android Phone (12GB RAM) →

What you can run instead

Run Olmo 3.1 32B Instruct on other hardware

FAQ

Can Generic Android Phone (12GB RAM) run Olmo 3.1 32B Instruct?

No. Olmo 3.1 32B Instruct needs ~20.3 GB even at Q4_K_M, but Generic Android Phone (12GB RAM) only has ~8.5 GB usable.

How much memory does Olmo 3.1 32B Instruct need?

Generic Android Phone (12GB RAM) does not have enough memory. At Q4_K_M the weights are ~18.14 GB; with KV cache and runtime overhead, budget ~20.3 GB at a 4k context.

What is the best tool to run Olmo 3.1 32B Instruct on Android?

On Android, PocketPal AI (Polished app, download GGUF and run offline.) is the go-to option. NPU acceleration is limited and chip-specific; most apps run on CPU. Expect 1B-4B class.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.