Best local LLMs for the Intel Xeon Silver (4100 to 4300 series) NAS (512 GB)

Each list assumes the context that task needs, so a model that fits for chat may rank lower for long documents.

General chat at 8K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 91/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Nex N2 Pro (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  4. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow
  5. 94Excellent quality (A+) · 94 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Naive N0.5 Flash (309B-A15.5B) Q6_K · 3.0 tok/s · Slow

Coding at 32K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 91/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Nex N2 Pro (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  4. 94Excellent quality (A+) · 94 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Naive N0.5 Flash (309B-A15.5B) Q6_K · 3.0 tok/s · Slow
  5. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow

Reasoning at 32K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 91/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Nex N2 Pro (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  4. 94Excellent quality (A+) · 94 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Naive N0.5 Flash (309B-A15.5B) Q6_K · 3.0 tok/s · Slow
  5. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow

Documents (RAG) at 32K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 91/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow
  4. 91Excellent quality (A+) · 91 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Ornith 1.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow
  5. 93Excellent quality (A+) · 93 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 89/100 (quality, fit, speed and memory use) sets the ranking. GLM-5.3 Flash (320B-A18B) Q5_K_M · 3.1 tok/s · Slow

Agents & tools at 64K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 91/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Nex N2 Pro (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  4. 94Excellent quality (A+) · 94 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Naive N0.5 Flash (309B-A15.5B) Q6_K · 3.0 tok/s · Slow
  5. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 90/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow

Reverse engineering at 32K context

  1. 95Excellent quality (A+) · 95 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 86/100 (quality, fit, speed and memory use) sets the ranking. MiMo V2.6 Flash (310B-A15B) Q6_K · 3.1 tok/s · Slow
  2. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 85/100 (quality, fit, speed and memory use) sets the ranking. Intern-S2 (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  3. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 85/100 (quality, fit, speed and memory use) sets the ranking. Nex N2 Pro (397B-A17B) Q5_K_M · 3.3 tok/s · Slow
  4. 94Excellent quality (A+) · 94 of 100: how capable the model is at Q6_K, whatever it runs on. Match score 85/100 (quality, fit, speed and memory use) sets the ranking. Naive N0.5 Flash (309B-A15.5B) Q6_K · 3.0 tok/s · Slow
  5. 92Excellent quality (A+) · 92 of 100: how capable the model is at Q5_K_M, whatever it runs on. Match score 85/100 (quality, fit, speed and memory use) sets the ranking. Qwen3.5 397B-A17B Q5_K_M · 3.3 tok/s · Slow

Estimates come from published hardware specs and our open formulas, not from running the model on your machine. Real speed varies with runtime, drivers and settings. Numbers marked “Measured” come from a linked benchmark.

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