Qwen3 30B A3B Base vs Qwen3 30B A3B Instruct 2507
Side-by-side comparison of VRAM requirements, quantization, context length, and hardware compatibility.
Specifications
| Qwen3 30B A3B Base | Qwen3 30B A3B Instruct 2507 | |
|---|---|---|
| Parameters | 30.5B | 30.5B |
| Context | 33K | 262K |
| Architecture | Qwen3MoeForCausalLM | Qwen3MoeForCausalLM |
| License | Apache 2.0 | Apache 2.0 |
| Downloads | 44.9K | 930.4K |
| Released | Jul 2025 | Sep 2025 |
VRAM by Quantization: Qwen3 30B A3B Base vs Qwen3 30B A3B Instruct 2507
| Quantization | Bits | Qwen3 30B A3B Base VRAM | Qwen3 30B A3B Instruct 2507 VRAM |
|---|---|---|---|
| Q2_K | 3.40 | 13.4 GB | 13.4 GB |
| Q3_K_M | 3.90 | 15.3 GB | 15.3 GB |
| Q3_K_S | 3.50 | 13.8 GB | 13.8 GB |
| Q4_0 | 4.00 | 15.7 GB | 15.7 GB |
| Q4_K_M | 4.80 | 18.7 GB | 18.7 GB |
| Q5_K_M | 5.70 | 22.1 GB | 22.1 GB |
| Q6_K | 6.60 | 25.6 GB | 25.6 GB |
| Q8_0 | 8.00 | 30.9 GB | 30.9 GB |
Verdict
Qwen3 30B A3B Instruct 2507 supports a longer context window (262K tokens). Qwen3 30B A3B Instruct 2507 is the more widely downloaded of the two.
Frequently Asked Questions
- Which needs less VRAM, Qwen3 30B A3B Base or Qwen3 30B A3B Instruct 2507?
At Q4_K_M, Qwen3 30B A3B Base needs 18.7 GB and Qwen3 30B A3B Instruct 2507 needs 18.7 GB, so Qwen3 30B A3B Base is the lighter option to run locally.
- Which has a longer context window, Qwen3 30B A3B Base or Qwen3 30B A3B Instruct 2507?
Qwen3 30B A3B Base supports 32,768 tokens and Qwen3 30B A3B Instruct 2507 supports 262,144 tokens.
- What is the difference between Qwen3 30B A3B Base and Qwen3 30B A3B Instruct 2507?
Qwen3 30B A3B Base is a 30.5B model from Alibaba (Qwen family), while Qwen3 30B A3B Instruct 2507 is a 30.5B model from Alibaba (Qwen family). Compare their VRAM requirements above to see which fits your GPU or Mac.