# Laguna S 2.1: RAM and VRAM requirements

> Laguna S 2.1 is a 118B Laguna model (Mixture-of-Experts, 8B active per token). At Q4_K_M it needs about **92.8 GB** to run and fits **4 of 40** tracked devices. Minimum to run: Apple M4 Max (128GB).

Last validated: 2026-08-03. Sources: Ollama, HuggingFace GGUF repos, vendor specs.

## Memory by quantization
| Quant | On disk | To run (4k context) |
| --- | --- | --- |
| Q4_K_M | 89.44 GB | ~92.8 GB |
| Q8_0 | 119.91 GB | ~123.3 GB |
| FP16 | 219.05 GB | ~222.5 GB |

Memory = weights + KV cache + ~0.8 GB runtime overhead, and varies ±15% with context length.

## Will it run on my device?
- **Apple M1 (8GB)** (8 GB): No, not enough memory
- **iPhone 17** (8 GB): No, not enough memory
- **iPhone 17 Pro** (12 GB): No, not enough memory
- **16GB RAM Laptop (CPU/iGPU only)** (16 GB): No, not enough memory
- **Google Pixel 10 Pro** (16 GB): No, not enough memory
- **Nvidia GeForce RTX 3090 (24GB)** (24 GB): No, not enough memory
- **Apple M4 Pro (48GB)** (48 GB): No, not enough memory
- **Apple M3 Ultra (256GB)** (256 GB): Yes, it runs (room for Q8_0)

Full table of all 40 devices: https://localmodel.run/model/laguna-s-2.1

## How to run
Quickest path: `ollama run laguna-s-2.1:latest`. On Mac, LM Studio (ships MLX) is fastest; on Linux, Ollama for chat or vLLM to serve; on Windows, LM Studio or Ollama.

## Details
- Parameters: 118B (MoE, 8B active per token)
- Default context: 1000k tokens
- License: OpenMDW-1.1 (commercial use: yes)
- Released: 2026-07
- HuggingFace: 81,584 downloads/mo, 897 likes

## FAQ
### How much VRAM or RAM does Laguna S 2.1 need?
About 92.8 GB at Q4_K_M (weights 89.44 GB + KV cache + overhead) at a 4k context. Budget ~123.3 GB for Q8_0.
### Can Laguna S 2.1 run on a laptop?
Laguna S 2.1 is large; you need a high-memory Mac or a 24 GB+ GPU at Q4_K_M.
### Can I use Laguna S 2.1 commercially?
Yes, OpenMDW-1.1 permits commercial use.

Sources: https://huggingface.co/poolside/Laguna-S-2.1, https://huggingface.co/poolside/Laguna-S-2.1-GGUF, https://ollama.com/library/laguna-s-2.1/tags
More: https://localmodel.run/model/laguna-s-2.1