Meta AI · llama
Can I run llama3.1?
Llama 3.1 is a new state-of-the-art model from Meta available in 8B, 70B and 405B parameter sizes.
8B parameters128K contexttextLLAMA 3.1 COMMUNITY LICENSE AGREEMENT36 builds
llama3.1 system requirements
Memory needed at 4K context, counting model weights, KV cache, compute buffers and runtime overhead. Download sizes come from the official Ollama registry.
| Build | Quantization | Download | Memory needed |
|---|---|---|---|
| llama3.1:8b-text-q4_0 | Q4_0 | 4.3 GB | ~6.6 GB(est.) |
| llama3.1:8b-instruct-q4_0 | Q4_0 | 4.3 GB | ~6.6 GB(est.) |
| llama3.1:8b-text-q4_K_M | Q4_K_M | 4.6 GB | ~6.9 GB(est.) |
| llama3.1:8b | Q4_K_M | 4.6 GB | ~6.9 GB(est.) |
| llama3.1:8b-text-q5_K_M | Q5_K_M | 5.3 GB | ~8.0 GB(est.) |
| llama3.1:8b-instruct-q5_K_M | Q5_K_M | 5.3 GB | ~8.0 GB(est.) |
| llama3.1:8b-text-q6_K | Q6_K | 6.1 GB | ~9.2 GB(est.) |
| llama3.1:8b-instruct-q6_K | Q6_K | 6.1 GB | ~9.2 GB(est.) |
Figures marked (est.) approximate the KV cache because this model's architecture details are not published. They are indicative rather than exact.
How to run llama3.1 locally
- 1.Install Ollama for Windows, macOS or Linux.
- 2.Run this in a terminal:
ollama run llama3.1:8b-text-q4_0 - 3.The weights download on first run, then an interactive prompt opens.
Frequently asked questions about llama3.1
- How much VRAM do I need to run llama3.1?
- At 4K context, the smallest published build of llama3.1 (Q4_0) needs roughly 6.6 GB of GPU memory once weights, KV cache, compute buffers and runtime overhead are counted. Bigger quantizations and longer context windows need more. It can also run partly or entirely on the CPU using system RAM, more slowly.
- Can I run llama3.1 without a dedicated GPU?
- Yes, but slowly. Without a GPU the model runs on the CPU using system RAM, which usually means a few tokens per second rather than dozens. You would need at least 6.6 GB of free RAM for the smallest build.
- How big is the llama3.1 download?
- The smallest published build is 4.3 GB. There are 36 builds in total, the largest being 756.0 GB. Leave some extra free disk space beyond the download itself.
- How do I run llama3.1 locally?
- Install Ollama, then run "ollama run llama3.1:8b-text-q4_0" in a terminal. The weights download on first use and an interactive session opens.
Will llama3.1 run on your PC?
Scan your hardware once and get a verdict for this model and every build — free, no account.
Model data from the official Ollama registry · verified 13/09/2026