Reddit debates whether 1-bit and 2-bit quants are ever worth using
RunawayPeeko · reddit · 2026-07-26
A Reddit thread asks whether 1-bit or 2-bit quantization can ever make sense for large local models, and whether the common advice to avoid going below Q4 is always right.
The post frames two concrete comparisons:
- Qwen 3.6 27B Q8 vs. Laguna S 2.1 Q2 on a 48GB setup
- Laguna S 2.1 Q5 vs. Deepseek V4 Flash Q2 on a 96GB VRAM setup
The underlying question is practical rather than theoretical: can aggressively quantized larger models still outperform less-quantized smaller ones for some workloads, or is there a hard floor where quality falls off too sharply?
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