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Memory budget · 8 GB

Best local LLMs for 8GB

8GB is not a single ceiling. An 8GB Mac and an 8GB Laptop each leave a different amount free for model weights, so the largest model you can run changes with the memory type, not just the number.

Usable range
5–5.5 GB
Models that fit
37
Memory types
2
Top pick
5.1B

What 8GB actually gives you

Apple unified memory ~5.5 GB usable on Apple M1 (8GB) Comfortable ceiling: 5.1B System RAM (CPU only) ~5 GB usable on 8GB RAM Laptop (CPU/iGPU only) Comfortable ceiling: 4B

Usable figures are sourced per device (tap a card for the full profile). Verdicts below use Q4_K_M, the community-default quant.

Top pick for 8GB Q4_K_M
Gemma 4 E2B 5.1B

Runs comfortably on the most capable 8GB setup (Apple M1 (8GB), ~5.5 GB usable) at ~4.4 GB. Check it against your exact device on its model page.

Models ranked for 8GB

Biggest that fits first Mac · Laptop

Each chip links to the full breakdown for that model on a real 8GB device. "Tight" means it fits but with little headroom, close other apps.

The ceiling, per memory type

Apple M1 (8GB) (~5.5 GB usable)

Runs up to Gemma 4 E2B (5.1B) comfortably at Q4_K_M. Larger models either sit tight or spill past the ~5.5 GB it can give a model.

8GB RAM Laptop (CPU/iGPU only) (~5 GB usable)

Runs up to Nemotron 3 Nano 4B (4B) comfortably at Q4_K_M. Larger models either sit tight or spill past the ~5 GB it can give a model.

8GB phones & tablets

Phones report 8GB too, but iOS/Android reserve more and the runtimes differ. Their usable pool is smaller:

iPhone 15 Pro ~4.5 GB iPhone 16 ~4.5 GB iPhone 16 Pro ~4.5 GB Generic Android Phone (8GB RAM) ~4.5 GB iPhone 17 ~4.5 GB

Too large for any 8GB device

Mistral 7B 7B Qwen2.5 7B 7B DeepSeek-R1-Distill-Qwen 7B 7B Qwen2.5 Coder 7B 7B Llama 3.1 8B 8B Qwen3 8B 8B DeepSeek-R1-Distill-Llama 8B 8B Gemma 3n E4B 8B Gemma 4 E4B 8B DeepSeek-R1-0528-Qwen3-8B 8.19B Qwen2.5-VL 7B 8.29B LFM2.5 8B-A1B 8.3B Granite 4.1 8B 8.8B Gemma 2 9B 9B GLM-4 9B 9B GLM-4-9B-0414 9B Nemotron Nano 9B v2 9B Ornith 1.0 9B 9B Falcon3 10B 10B Llama 3.2 Vision 11B 10.7B Gemma 3 12B 12B Gemma 4 12B 12B Mistral Nemo 12B 12.2B Phi-4 14B 14B Qwen2.5 14B 14B Qwen3 14B 14B DeepSeek-R1-Distill-Qwen 14B 14B Qwen2.5 Coder 14B 14B Phi-4-reasoning 14B DeepSeek-V2-Lite 16B gpt-oss 20B 21B ERNIE 4.5 21B-A3B 21B Mistral Small 3 24B 24B Sarvam-M 24B 24B Mistral Small 3.1 24B 24B Magistral Small 24B Devstral Small 24B LFM2 24B-A2B 24B Gemma 4 26B-A4B 26.5B Gemma 2 27B 27B Gemma 3 27B 27B Qwen3.6 27B 27.8B Granite 4.1 30B 28.9B Sarvam-30B 30B Nemotron 3 Nano 30B-A3B 30B Nemotron Cascade 2 30B-A3B 30B GLM-4.7-Flash 30B Qwen3 30B-A3B 30.5B Qwen3-Coder 30B-A3B 30.5B North Mini Code 1.0 30.5B Qwen2.5 32B 32B Qwen3 32B 32B DeepSeek-R1-Distill-Qwen 32B 32B Qwen2.5 Coder 32B 32B Granite 4.0 H Small 32B GLM-4-32B-0414 32B EXAONE 4.0 32B 32B OLMo 2 32B Instruct 32B Granite 4.0 H Small 32B Olmo 3.1 32B Instruct 32B Gemma 4 31B 32.7B Laguna XS 2.1 33.4B Yi 1.5 34B 34B Falcon-H1-34B-Instruct 34B Qwen-AgentWorld 35B-A3B 34.7B Command R 35B 35B Ornith 1.0 35B 35B Seed-OSS 36B Instruct 36B Qwen3.6 35B-A3B 36B Mixtral 8x7B 46.7B Llama-3.3-Nemotron-Super-49B-v1 49B Llama 3.3 70B 70B Qwen2.5 72B 72B Hunyuan-A13B-Instruct 80B Sarvam-105B 105B GLM-4.5-Air 106B Llama 4 Scout 109B Command A 111B gpt-oss 120B 117B Laguna S 2.1 118B Nemotron 3 Super 120B-A12B 120B dots.llm1 142B Qwen3 235B A22B 235B DeepSeek-V4-Flash 284B GLM-4.6 357B Llama 4 Maverick 400B MiniMax M3 428B MiniMax-M1-80k 456B Qwen3-Coder 480B-A35B Instruct 480B Nemotron 3 Ultra 550B-A55B 550B DeepSeek R1 671B DeepSeek V3 671B DeepSeek-R1-0528 671B GLM-5.2 744B Kimi K2 Instruct 1000B Kimi K2.6 1000B Kimi K2.7 Code 1000B DeepSeek-V4-Pro 1600B

FAQ

How much of 8GB can a model actually use?

It depends on the memory type. Apple unified memory: about 5.5 GB (Apple M1 (8GB)); System RAM (CPU only): about 5 GB (8GB RAM Laptop (CPU/iGPU only)). The rest is reserved for the OS, display and runtime overhead.

What is the best local LLM for 8GB?

Gemma 4 E2B (5.1B) is the strongest model that runs comfortably at Q4_K_M on the most capable 8GB setup (Apple M1 (8GB), ~5.5 GB usable). On a tighter 8GB device the ceiling is lower, shown per row above.

Sources

Memory figures are estimates at Q4_K_M with a small context. See methodology.