Qwen1.5 32B Chat vs Qwen3 32B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen1.5 32B Chat | Qwen3 32B | |
|---|---|---|
| Parameters | 32.5B | 32.8B |
| Context | 33K | 41K |
| Architecture | Qwen2ForCausalLM | Qwen3ForCausalLM |
| License | Other | Apache 2.0 |
| Downloads | 10.8K | 3.7M |
| Released | — | — |
VRAM by Quantization: Qwen1.5 32B Chat vs Qwen3 32B
| Quantization | Bits | Qwen1.5 32B Chat VRAM | Qwen3 32B VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 14.7 GB | 14.6 GB |
| Q3_K_M | 3.90 | 16.7 GB | 16.6 GB |
| Q3_K_S | 3.50 | 15.1 GB | 15.0 GB |
| Q4_0 | 4.00 | — | 17.0 GB |
| Q4_K_M | 4.80 | 20.3 GB | 20.3 GB |
| Q5_K_M | 5.70 | 24 GB | 24.0 GB |
| Q6_K | 6.60 | 27.7 GB | 27.7 GB |
| Q8_0 | 8.00 | 33.4 GB | 33.4 GB |
Verdict
Qwen3 32B needs less VRAM at Q4_K_M (20.3 GB vs 20.3 GB), so it fits on smaller GPUs. Qwen3 32B supports a longer context window (41K tokens). Qwen3 32B is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Qwen1.5 32B Chat or Qwen3 32B?
At Q4_K_M, Qwen1.5 32B Chat needs 20.3 GB and Qwen3 32B needs 20.3 GB, so Qwen3 32B is the lighter option to run locally.
- Which has a longer context window, Qwen1.5 32B Chat or Qwen3 32B?
Qwen1.5 32B Chat supports 32,768 tokens and Qwen3 32B supports 40,960 tokens.
- What is the difference between Qwen1.5 32B Chat and Qwen3 32B?
Qwen1.5 32B Chat is a 32.5B model from Alibaba (Qwen family), while Qwen3 32B is a 32.8B model from Alibaba (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.