Device profile · Android

Best local LLMs for Samsung Galaxy S25 Ultra (16GB, 1TB config only)

Samsung Galaxy S25 Ultra (16GB, 1TB config only) has ~12 GB usable for model weights and runs 66 of 135 popular models. Best tool: PocketPal AI.

65 run well 1 tight fit 69 too heavy

Usable memory: ~12 GB
Models run: 66
Too large: 69
Top pick: 12B

Top pick Q4_K_M

Gemma 3 12B Yes

Runs at Q4_K_M using ~8.9 GB of ~12 GB usable.

Runs on Samsung Galaxy S25 Ultra (16GB, 1TB config only)

Compatible models 66 total

Too large for this device

DeepSeek-V4-Pro Kimi K2 Instruct Kimi K2.6 Kimi K2.7 Code GLM-5.2 DeepSeek R1 DeepSeek V3 DeepSeek-R1-0528 Nemotron 3 Ultra 550B-A55B Qwen3-Coder 480B-A35B Instruct MiniMax-M1-80k MiniMax M3 Llama 4 Maverick GLM-4.6 DeepSeek-V4-Flash Qwen3 235B A22B dots.llm1 Nemotron 3 Super 120B-A12B Laguna S 2.1 gpt-oss 120B Command A Llama 4 Scout GLM-4.5-Air Sarvam-105B Hunyuan-A13B-Instruct Qwen2.5 72B Llama 3.3 70B Llama-3.3-Nemotron-Super-49B-v1 Mixtral 8x7B Seed-OSS 36B Instruct Qwen3.6 35B-A3B Command R 35B Ornith 1.0 35B Qwen-AgentWorld 35B-A3B Yi 1.5 34B Falcon-H1-34B-Instruct Laguna XS 2.1 Gemma 4 31B Qwen2.5 32B Qwen3 32B DeepSeek-R1-Distill-Qwen 32B Qwen2.5 Coder 32B Granite 4.0 H Small GLM-4-32B-0414 EXAONE 4.0 32B OLMo 2 32B Instruct Granite 4.0 H Small Olmo 3.1 32B Instruct Qwen3 30B-A3B Qwen3-Coder 30B-A3B North Mini Code 1.0 Sarvam-30B Nemotron 3 Nano 30B-A3B Nemotron Cascade 2 30B-A3B GLM-4.7-Flash Granite 4.1 30B Qwen3.6 27B Gemma 2 27B Gemma 3 27B Gemma 4 26B-A4B Mistral Small 3 24B Sarvam-M 24B Mistral Small 3.1 24B Magistral Small Devstral Small LFM2 24B-A2B gpt-oss 20B ERNIE 4.5 21B-A3B DeepSeek-V2-Lite

Best way to run models on Android

Runtime guide Android

Beginner: PocketPal AI, Polished app, download GGUF and run offline.

Power user: MLC LLM / LiteRT-LM, GPU/NPU acceleration paths for supported chips.

NPU acceleration is limited and chip-specific; most apps run on CPU. Expect 1B-4B class.

Full Android tool guide →

FAQ

What is the best local LLM for Samsung Galaxy S25 Ultra (16GB, 1TB config only)?

Gemma 3 12B is the strongest model that runs comfortably, using ~8.9 GB at Q4_K_M of the ~12 GB usable on Samsung Galaxy S25 Ultra (16GB, 1TB config only).

How much of Samsung Galaxy S25 Ultra (16GB, 1TB config only)'s memory can I use for a model?

About 12 GB. On a CPU-only machine, leave headroom for the OS and apps.

Which tool should I use on Android?

PocketPal AI (Polished app, download GGUF and run offline.) or MLC LLM / LiteRT-LM for speed. NPU acceleration is limited and chip-specific; most apps run on CPU. Expect 1B-4B class.