Qwen3 4B Abliterated vs Qwen3 4B Base
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen3 4B Abliterated | Qwen3 4B Base | |
|---|---|---|
| Parameters | 4.0B | 4.0B |
| Context | — | 33K |
| Architecture | — | Qwen3ForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 555 | 803.2K |
| Released | Jun 2025 | Jul 2025 |
VRAM by Quantization: Qwen3 4B Abliterated vs Qwen3 4B Base
| Quantization | Bits | Qwen3 4B Abliterated VRAM | Qwen3 4B Base VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 1.9 GB | 2.2 GB |
| Q3_K_M | 3.90 | 2.2 GB | 2.5 GB |
| Q3_K_S | 3.50 | 1.9 GB | 2.3 GB |
| Q4_0 | 4.00 | 2.2 GB | 2.5 GB |
| Q4_K_M | 4.80 | 2.6 GB | 2.9 GB |
| Q5_K_M | 5.70 | 3.1 GB | 3.4 GB |
| Q6_K | 6.60 | 3.6 GB | 3.8 GB |
| Q8_0 | 8.00 | 4.4 GB | 4.5 GB |
Verdict
Qwen3 4B Abliterated needs less VRAM at Q4_K_M (2.6 GB vs 2.9 GB), so it fits on smaller GPUs. Qwen3 4B Base is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Qwen3 4B Abliterated or Qwen3 4B Base?
At Q4_K_M, Qwen3 4B Abliterated needs 2.6 GB and Qwen3 4B Base needs 2.9 GB, so Qwen3 4B Abliterated is the lighter option to run locally.
- What is the difference between Qwen3 4B Abliterated and Qwen3 4B Base?
Qwen3 4B Abliterated is a 4.0B model from huihui-ai (Qwen family), while Qwen3 4B Base is a 4.0B model from Alibaba (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.