text model · LFM · Android
Can I run LFM2.5 8B-A1B on Samsung Galaxy S26 Ultra (16GB, 1TB config)?
Yes. LFM2.5 8B-A1B runs on Samsung Galaxy S26 Ultra (16GB, 1TB config) at Q4_K_M (~6.7 GB of ~12 GB usable).
Runs at Q4_K_M using ~6.7 GB of ~12 GB usable. You have room for Q8_0 for higher quality.
That figure is at a 4k context and moves about ±15% as context length changes. Samsung Galaxy S26 Ultra (16GB, 1TB config) leaves ~5.3 GB of headroom, room to step up to Q8_0 for higher quality.
- Q4_K_M needed
- ~6.7 GB
- Usable on device
- ~12 GB
- Device memory
- 16 GB
- Best quant
- Q4_K_M
Which quant fits
How to run it
On Android use PocketPal AI (Polished app, download GGUF and run offline.).
- Parameters
- 8.3B (MoE, 1.5B active)
- Q4_K_M size
- 5.2 GB
- Q8_0 size
- 9 GB
- Context
- 128k
- Ollama tag
- lfm2.5:8b-a1b
- Memory
- 16 GB ram
- Usable for weights
- ~12 GB
- Best runtime
- llama.cpp (PocketPal) or MLC-LLM (Adreno GPU path)
You could also run
Run LFM2.5 8B-A1B on other hardware
FAQ
Can Samsung Galaxy S26 Ultra (16GB, 1TB config) run LFM2.5 8B-A1B?
Yes. LFM2.5 8B-A1B runs on Samsung Galaxy S26 Ultra (16GB, 1TB config) at Q4_K_M (~6.7 GB of ~12 GB usable).
How much memory does LFM2.5 8B-A1B need?
Samsung Galaxy S26 Ultra (16GB, 1TB config) has room to spare. At Q4_K_M the weights are ~5.2 GB; with KV cache and runtime overhead, budget ~6.7 GB at a 4k context. It is a Mixture-of-Experts model (8.3B total / 1.5B active), so all experts must stay in memory; memory tracks total params, not active params.
What is the best tool to run LFM2.5 8B-A1B 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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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.