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Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

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Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#131
I wish someone would do a benchmark and competition for this kind of work flow so we could figure out what works well.

Like "Here's this consumer grade GPU. Using only this GPU but with whatever models and workflow you want, see how well you can do on xyz benchmark."

Contestants would be given like 1 hour max and scored based on % of questions answered, % of questions correct and total time to finish.

Like "The Local AI challenge"

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#132

Always a bit disappointed in the details in these kinds of threads. When you do get answers, they're never specific enough to try out on your own. It'll be something like "I use Qwen 3.5 and get great results!" OK but what quantization are you using? What llama parameters? What context size? What GPU are you running it on, and how much VRAM does it have? Are you hosting it on a separate box, or running it locally on…

I have good results with this setup: Hardware: - GPU: AMD 7900xtx, 24gb vram - CPU: AMD 5950x, AM4 - RAM: 64gb DDR4 3600 Software: - OS: Bazzite (atomic fedora - this machine is running Steam "big picture" mode on my TV when not in use for LLM tasks) - Virtualization: Podman Quadlets, which allows me to run container images as managed systemd units - Network: tailscale - Inference: llama.cpp vulkan (better performanc…

Now that's what I'm talking about! Very cool, thank you for the detailed response.

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#133

For personal use, yes. I replaced a $100/m subscription to claude in favor of running pi harness pointed at unsloth studio, using both qwen (unsloth/Qwen3.6-35B-A3B-MTP-GGUF) and gemma (unsloth/gemma-4-26B-A4B-it-GGUF) models, depending on my mood. I have a machine I built about 5 years ago with dual RTX3090s in it (I was going to build a new gaming machine anyways, and the llama release had just dropped so I tacked…

> gemma (unsloth/gemma-4-26B-A4B-it-GGUF) models

Since you're running quantized (at UD-Q4_K_XL) , check out the "qat" models (unsloth/gemma-4-26B-A4B-it-qat-GGUF) !

- https://huggingface.co/unsloth/gemma-4-26B-A4B-it-qat-GGUF (With "Jun 9 Update: Added MTP support.")

- https://blog.google/innovation-and-ai/technology/developers-...

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#134
As someone that spends all day every day talking to LLMs, I'd say the OSS frontier models + a good harness is already a sufficient combo. For local deployments, we are missing one or two hardware generations (and may not get that soon since hardware companies are heavily favoring datacenter segment) to fully move to a local setup.

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#135
One of the interesting setups I saw is using expensive frontier models to write and update markdown for your app: specs, product requirements, architecture, etc

but then use cheap/local model to implement the specs.

Markdown is more effective at compressing information and fits the context window easier, than hundreds of source code files

but this requires second and third passes, to smooth out the rough edges

has anyone tried that?

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#136

Models that you can run at home (Like Qwen 35B) aren't remotely close to Opus or GPT 5.5. Not even close. The only open models that are in that neighbor are around 1T params, so forget about running at home. It's kind of like driving a shitbox. It can often drive you from A to B, and some people will try to convince you it's fine. It's not. There's no logical reason other than absolutely requiring the privacy, doing…

> Models that you can run at home (Like Qwen 35B) aren't remotely close to Opus or GPT 5.5.

Is that characterization based on some objective facts or benchmarks?

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#137

I have! I care about data privacy and LLMs being free. I'm using the Pi coding harness but containerized and sandboxed, to make sure it's running completely offline. On my Mac Studio with 128GB RAM (or MacBook with 36GB RAM) I'm using Qwen3.6 35b, with only 3b active parameters so that it runs really fast. I've done a complete redesign for my website's homepage and blog with Django + Wagtail. The latter is interestin…

Could the harness not check for a failed tool call and pass it to a small model for correction without clogging up the main context?

I'm actually quite sure that directly retrying the tool call would often fix the edit-call already. But these models have been trained to "think" for a while for any problem solving, so they'll presume the problem of the edit is more fundamental and spend unnecessary tokens filling up the context.

I'll experiment more with the effectiveness of AGENTS.md rules for local Pi agents. I feel like smaller (local) LLMs just lack in attentiveness to elements in the context window, like precise instructions, compared to e.g. Claude models.

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#138
Local isn't new for me. I am still coding my stuff, but Qwen3-coder:30b on my old rig with a gtx 1070 16gb RAM does wonders for me.

I mostly use it as a google search if I forget a thing, or doing the boilerplates.

I am using a mix of a non harness chat for the reply speed, and opencode / vim-ai for my boilerplates.

$0.00 / month. That's the budget.

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#139

I have! I care about data privacy and LLMs being free. I'm using the Pi coding harness but containerized and sandboxed, to make sure it's running completely offline. On my Mac Studio with 128GB RAM (or MacBook with 36GB RAM) I'm using Qwen3.6 35b, with only 3b active parameters so that it runs really fast. I've done a complete redesign for my website's homepage and blog with Django + Wagtail. The latter is interestin…

The harness and the LLM parameters are pretty essential to getting better results and reducing loops. Tweak the parameters and you can mostly eliminate loops without negatively affecting performance (it's a bit complex but ask a SOTA AI to guide you and it's not hard). The harness should also react more intelligently to failures; it can do things like return additional context or hints as it tracks error rates and avg duration of calls. Pi can be easily extended, and it's suggested by the author you modify it to perform better for your use case.

Re: Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

#140

For personal use, yes. I replaced a $100/m subscription to claude in favor of running pi harness pointed at unsloth studio, using both qwen (unsloth/Qwen3.6-35B-A3B-MTP-GGUF) and gemma (unsloth/gemma-4-26B-A4B-it-GGUF) models, depending on my mood. I have a machine I built about 5 years ago with dual RTX3090s in it (I was going to build a new gaming machine anyways, and the llama release had just dropped so I tacked…

2x RTX3090 are around $4400. Without any electricity costs or other parts, that's 3.6 years of $100/m claude.

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