16GB GPUs for local AI
Unlocks 20-24B models such as gpt-oss 20B, Mistral Small 3.2 and Devstral Small 2, plus 14B models with long context.
Models that run well on this tier
gpt-oss:20b21B MoE (3.6B active) · MXFP4 · ~15.5 GB
OpenAI open-weight model; native MXFP4, fits 16GB.
mistral-small3.224B · Q4_K_M · ~16.5 GB
Fits 16GB (tight) or 24GB comfortably.
devstral-small-224B · Q4_K_M · ~16.5 GB
Agentic coding model built for tools like OpenHands/Cline.
gemma4:12b12B · Q4_K_M · ~9.5 GB
Newest Gemma at 12B; thinking + tools + vision.
phi4-reasoning14B · Q4_K_M · ~12.5 GB
Thinking variant of Phi-4.
magistral24B · Q4_K_M · ~15.5 GB
Mistral's reasoning model.
Check your exact setup in the GPU picker → · Read the full guide →
Hardware picks
NVIDIA GeForce RTX 5060 Ti (16GB)
16GB GDDR7 · bandwidth 448 GB/s
The best-value 16GB NVIDIA card. Make sure you pick the 16GB version, not the 8GB one.
Check priceAMD Radeon RX 9070 XT (16GB)
16GB GDDR6 · bandwidth 640 GB/s
Officially supported by Ollama's ROCm build on Linux, with Vulkan as a fallback. Faster memory than the 5060 Ti.
Check priceNVIDIA GeForce RTX 4060 Ti (16GB)
16GB GDDR6 · bandwidth 288 GB/s
Common on the used market. Narrow memory bus makes it slower, but the 16GB still fits the bigger models.
Check priceWe don't list prices because they change daily. Bandwidth figures are manufacturer specs. Disclosure: "Check price" links may be affiliate links (rel="sponsored"); we may earn a commission at no cost to you.
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A tested starter for building your own app on Ollama: chat, RAG and a GPU-fit checker. Skip the setup hours.
kits.lilaforge.com → VibeEngineBest local LLM tools, ranked
Ollama, LM Studio, Open WebUI and llama.cpp scored from public evidence, with top picks.
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