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4 Local LLMs to Keep for Coding, Everyday Help, Reasoning, and Writing

A personal shortlist pairs four local models with coding, everyday help, reasoning, and creative writing—and explains why the picks may not translate to every PC.
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For a practical local-LLM setup, keep a small set of models for distinct jobs rather than expecting one model to excel at everything. The author’s four picks are Qwen 3.6 27B for coding, Gemma 4 12B for everyday questions, gpt-oss-20b for deeper reasoning, and a community Llama 3.3 8B variant for creative writing. These are personal recommendations after trying 20-plus models, not a controlled comparison or a universal ranking.

What this shortlist is based on

The reported setup used KoboldCpp on a machine with 32 GB of RAM, an RTX 5070, an Intel Core Ultra 9 processor, and a 1 TB SSD. A secondary summary reports that the four quantized GGUF model files occupy about 43–45 GB combined. That figure is storage for keeping the files available; it does not mean all four models need to be loaded into memory at once.

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The summary does not establish the exact GPU variant, quantization files, inference settings, context length, GPU-layer offload, or measured tokens per second. As a result, descriptions of speed and usability reflect the author’s experience on that setup and should not be treated as predictions for another computer. Your available RAM and GPU memory, runtime, quantization, context and KV-cache requirements, and specific workload all affect what runs well.

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Four models, four jobs

Qwen 3.6 27B for serious coding

The author’s coding choice is Qwen 3.6 27B, intended for work such as debugging and refactoring. For coding tasks run locally with KoboldCpp, it is the pick to try first from this shortlist. A 27B model can put more pressure on available memory than a smaller option, though actual requirements depend on its quantization and how the runtime distributes work between RAM and GPU. The available account does not give a specific file size or a reproducible speed result for this model.

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Gemma 4 12B as the everyday all-rounder

Gemma 4 12B is the author’s general-purpose choice for routine questions and everyday assistance. It is the natural starting point if you want one model for varied, ordinary prompts rather than a specialist for a particular task. The recommendation is subjective; the available details do not establish comparative benchmark scores or a precise memory requirement for this model.

gpt-oss-20b for deeper reasoning

The author keeps gpt-oss-20b for more involved reasoning and problem solving. OpenAI’s August 5, 2025 announcement describes it as 21B total parameters, with 3.6B active per token, and says it supports context lengths up to 128k. OpenAI states that its native MXFP4 release requires 16 GB of memory. These are publisher specifications, not a guarantee that every runtime will achieve the same memory use or performance; implementation, hardware, and context settings matter.

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OpenAI also claims the model delivers results similar to o3-mini on common benchmarks. That is the company’s characterization, not an independent head-to-head evaluation of the four models in this shortlist.

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A community Llama 3.3 8B variant for creative writing

For creative writing and brainstorming, the author favors a community variant based on Llama 3.3 8B. The specific community variant is not identified in the available account, so this should not be confused with a claim that Meta’s official release is itself the same writing-tuned model. If you want a lighter model to explore story ideas or draft prose, this is the shortlist’s role-based pick; the summary does not establish a particular quantization or an exact hardware threshold.

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Which one should you try first?

What you want to do Author’s pick What to keep in mind
Coding, debugging, or refactoring Qwen 3.6 27B Check memory availability and quantization; no verified speed figure is available.
Routine questions and general assistance Gemma 4 12B A broad-use recommendation, not a measured overall winner.
More involved reasoning or problem solving gpt-oss-20b OpenAI lists 16 GB of memory for its native MXFP4 release; requirements can differ by implementation.
Creative writing or brainstorming Community Llama 3.3 8B variant The specific community variant and its quantization are not identified.

If you want to run and switch among local models, the reported setup used KoboldCpp. The account does not provide enough setup detail to prescribe exact configuration steps or guarantee identical behavior on other hardware.

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Plan for storage and memory separately

Keeping several model files installed can use substantial disk space: the secondary summary puts these four files at roughly 43–45 GB in total. That is a reported estimate, not an independently measured figure. A 1 TB SSD was part of the reported computer, but an external drive is simply an optional way to add storage if you need room for more files.

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Disk capacity and runtime memory solve different problems. A model file can sit on a drive without being loaded; running a model requires enough usable memory for its weights and the chosen inference settings. Longer contexts can add memory demands, and offloading work to a GPU depends on the GPU and runtime configuration. The stated 16 GB figure for gpt-oss-20b applies specifically to OpenAI’s native MXFP4 release, not every quantized version or every local model here.

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A sensible way to build your local lineup

  1. Choose your main workload. Start with coding, general assistance, reasoning, or creative ideation rather than downloading a set just because it is popular.
  2. Check the specific model file. Confirm its quantization and expected memory needs against your machine; model size alone does not settle whether a particular configuration will fit.
  3. Try it on your own prompts. Test the actual debugging, questions, reasoning problems, or writing tasks you care about, since the recommendations are tied to another user’s hardware and preferences.
  4. Add another model only for a clear reason. Keep a specialist when it performs a distinct role well enough for you to justify its storage use.

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