Best GPU for running Ornith 1.5 locally

Which GPU or Mac you need for Ornith AI’s Ornith 1.5 family, from the cheapest card that runs the small one to what it takes for Ornith-1.5-122B. All checks are at Q4_K_M, about 4k context.

Cheapest way in: Intel Arc B570 runs Ornith-1.5-9B for $219. For Ornith-1.5-122B, the cheapest fit we track is Mac Studio M5 Ultra 256GB at $9499.

Cheapest hardware per model

"Fits" means the model needs 90% or less of usable memory at Q4 (how we calculate). Prices are dated snapshots, mostly launch MSRP, so street prices can differ a lot; see each device page for its source.

Every priced machine, cheapest first

We may earn a commission when you buy through these links, at no extra cost to you.

Other guides

• Best GPU for running Llama locally3 models
• Best GPU for running Qwen3 locally4 models
• Best GPU for running gpt-oss locally2 models
• Best GPU for running DeepSeek R1 locally4 models
• Best GPU for running Gemma 3 locally3 models
• Best GPU for running Gemma 4 locally5 models
• Best GPU for running Qwen3.8 locally3 models
• Best GPU for running Nemotron locally3 models
• Best GPU for running Liquid AI LFM locally2 models
• Best GPU for running Mistral locally4 models
• Best GPU for running GLM locally4 models
• Best GPU for running Phi locally4 models
• Best GPU for running long-memory models locally3 models
• Best GPU for running local coding models locally8 models