Best Local LLMs for 16GB RAM

Ranked open-weight models that run well on a 16GB machine — with estimated speed and the exact ollama command for each.

Best local models for ~16GB

12 picks

Estimates assume a representative Apple-Silicon machine with 16GB unified memory. Tok/s are ModelFit estimates, not measured benchmarks. Run the wizard for figures tuned to your exact chip.

01

Qwen3.5 4B Instruct

Qwen / 4B / Q4_K_M / ~3.5 GB

Best for: Coding, Agents, Multimodal·Perf: ~99 tok/s (est.) · first token ~0.6s

Perfect fit

Best for coding, agents, multimodal. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run qwen3.5:4b
02

Qwen3.5 9B Instruct

Qwen / 9B / Q4_K_M / ~7 GB

Best for: Quality, Coding, Reasoning·Perf: ~47.7 tok/s (est.) · first token ~0.7s

Runs well

Best for quality, coding, reasoning. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run qwen3.5:9b
03

Qwen3 8B

Qwen / 8B / Q4_K_M / ~6.5 GB

Best for: Chat, Coding·Perf: ~53 tok/s (est.) · first token ~0.6s

Runs well

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run qwen3:8b-q4_K_M
04

LFM2.5 8B-A1B

LFM2 / 8.3B / Q4_K_M / ~5.5 GB

Best for: On-device agents, tool calling, multilingual chat·Perf: ~51.3 tok/s (est.) · first token ~0.6s

Runs well

Best for on-device agents, tool calling, multilingual chat. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run lfm2.5:8b-a1b-q4_K_M
05

Gemma 4 E4B

Gemma / 4.5B / Q4_K_M / ~4 GB

Best for: On-device, Mobile, Chat·Perf: ~89 tok/s (est.) · first token ~0.6s

Perfect fit

Best for on-device, mobile, chat. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run gemma4:e4b
06

Llama 3.1 8B Instruct

Llama / 8B / Q4_K_M / ~6.5 GB

Best for: Chat, Coding·Perf: ~53 tok/s (est.) · first token ~0.6s

Runs well

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run llama3.1:8b-instruct-q4_K_M
07

Gemma 3 4B Instruct

Gemma / 4B / Q4_K_M / ~3.5 GB

Best for: Chat, Coding·Perf: ~99 tok/s (est.) · first token ~0.6s

Perfect fit

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run gemma3:4b
08

Qwen2.5 Coder 7B

Qwen / 7B / Q4_K_M / ~5.5 GB

Best for: Coding·Perf: ~59.8 tok/s (est.) · first token ~0.6s

Runs well

Best for coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run qwen2.5-coder:7b
09

DeepSeek-R1 Distill Qwen 7B

DeepSeek / 7B / Q4_K_M / ~5.5 GB

Best for: Reasoning, Coding·Perf: ~59.8 tok/s (est.) · first token ~0.6s

Runs well

Best for reasoning, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run deepseek-r1:7b
10

Mistral 7B Instruct

Mistral / 7B / Q4_K_M / ~5.5 GB

Best for: Chat, Coding·Perf: ~59.8 tok/s (est.) · first token ~0.6s

Runs well

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run mistral:7b-instruct-q4_K_M
11

Qwen2.5 7B Instruct

Qwen / 7B / Q4_K_M / ~5.5 GB

Best for: Chat, Coding·Perf: ~59.8 tok/s (est.) · first token ~0.6s

Runs well

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run qwen2.5:7b-instruct-q4_K_M
12

Gemma 2 9B Instruct

Gemma / 9B / Q4_K_M / ~7 GB

Best for: Chat, Coding·Perf: ~47.7 tok/s (est.) · first token ~0.7s

Runs well

Best for chat, coding. Strong fit for 16 GB RAM with balanced speed and quality.

ollama
$ollama run gemma2:9b-instruct-q4_K_M

Want an exact recommendation?

The wizard tunes picks and speed estimates to your exact device, chip, and RAM.