Qwen35 4B Soyuz Merged vs DeepSeek R1 Distill Qwen 1.5B
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen35 4B Soyuz Merged | DeepSeek R1 Distill Qwen 1.5B | |
|---|---|---|
| Parameters | 4B | 1.5B |
| Context | 262K | — |
| Architecture | Qwen3_5ForCausalLM | — |
| License | Apache 2.0 | MIT |
| Downloads | 1.2K | 32.8K |
| Released | Jun 2026 | Sep 2025 |
VRAM by Quantization: Qwen35 4B Soyuz Merged vs DeepSeek R1 Distill Qwen 1.5B
| Quantization | Bits | Qwen35 4B Soyuz Merged VRAM | DeepSeek R1 Distill Qwen 1.5B VRAM |
|---|---|---|---|
| Q2_K | 3.40 | — | 0.7 GB |
| Q3_K_M | 3.90 | — | 0.8 GB |
| Q4_K_M | 4.80 | — | 1.0 GB |
| Q5_K_M | 5.70 | — | 1.2 GB |
| Q6_K | 6.60 | — | 1.4 GB |
| Q8_0 | 8.00 | — | 1.6 GB |
Verdict
DeepSeek R1 Distill Qwen 1.5B is the more widely downloaded of the two.
Frequently Asked Questions
- What is the difference between Qwen35 4B Soyuz Merged and DeepSeek R1 Distill Qwen 1.5B?
Qwen35 4B Soyuz Merged is a 4B model from AlexWortega (Qwen family), while DeepSeek R1 Distill Qwen 1.5B is a 1.5B model from litert-community (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.