Tested how OpenCode Works with SelfHosted LLMS: Qwen 3.5 & 3.6, Gemma 4, Nemotron 3, GLM-4.7 Flash…

Tested how OpenCode Works with SelfHosted LLMS: Qwen 3.5 & 3.6, Gemma 4, Nemotron 3, GLM-4.7 Flash...

I have run two tests on each LLM with OpenCode to check their basic readiness and convenience:

- Create IndexNow CLI in Golang (Easy Task) and

- Create Migration Map for a website following SiteStructure Strategy. (Complex Task)

Tested Qwen 3.5, & 3.6, Gemma 4, Nemotron 3, GLM-4.7 Flash and several other LLMs.

Context size used: 25k-50k - varies between tasks and models.

The result is in the table below, hope you find it useful.

https://preview.redd.it/gdrou1bmdjtg1.png?width=686&format=png&auto=webp&s=026c50e383957c2c526676c10a3c5f12ad705e8e

The speed of most of these selfhosted LLMs - on RTX 4080 (16GB VRAM) is below (to give you idea how fast/slow each model is).

Used llama-server with default memory and layers params. Finetuning these might help you to improve speed a bit. Or maybe a bit more than a bit :)

https://preview.redd.it/fa3zqfb1ejtg1.png?width=820&format=png&auto=webp&s=deed71b62c203a605dbbcdcee560966ab5030935

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My Takeaway:

Qwen 3.5 27b is a very decent LLM that suit my hardware well.

New Gemma 4 26b showed very good results, worth testing more.

Both these are comparable to cloudhosted free LLMs from OpenCode Zen - for these two tasks.

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The details of each LLM behaviour in each test are here: https://www.glukhov.org/ai-devtools/opencode/llms-comparison/

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