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Ask HN: What LLM models are you using and why?

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Re: Ask HN: What LLM models are you using and why?

#13
1. gpt-5.5-medium for most demanding coding tasks.

2. gpt-5.3-codex-medium for genrally most of the other coding tasks.

3. deepseek-v4-flash for heavy agentic research/loops (non-coding related).

4. mimo-v2.5-pro for crunching/summarizing large texts.

5. gemini-3.1-flash-lite for image understanding.

6. opus-4.7 very occasionally when gpt-5.5 fails, or vice-versa, and sonnet-4.6 when codex-5.3 fails.

7. deepseek-v4-pro when I need to do a long agentic session, and want higher quality, for cheap (non-coding).

8. perplexity/pplx-embed-v1-0.6b for embeddings, via openrouter.

Re: Ask HN: What LLM models are you using and why?

#14
I use Opus 4.7 for personal stuff (basically for everything), but have been considering gpt-5.5 given all I hear about it.

At work I use 4.6 because we don't have 4.7 yet...zzz...

I also do a LOT of personal/portfolio work with self-hosted models.

Ministral-3-14B-Reasoning for validating concepts, MVPs, etc and some prod systems (punches above its weight class). Qwen3.6-35B-A3B for self-hosted coding (custom harness). GPT-OSS-120B for self-hosted coding or more reasoning-intensive agentic flows. Qwen3.5-122B-A10B currently in evals for agentic coding.

Re: Ask HN: What LLM models are you using and why?

#19
For straightforward coding tasks I use gpt-5.3-codex on high or xhigh. Sometimes I try 5.5 but overall 5.3-codex is more than capable enough for most of my needs and quite a bit cheaper.

For more interactive/discussion/planning or orchestration stuff, I find myself going back and forth between Opus 4.7 and GPT 5.5. Still not sure which one I prefer.

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