largeApache 2.030.5B paramsOpen weights

Qwen3-Coder 30B (A3B)

30.5B parameter open-weight model. The coding variant of the 30B sparse MoE - same 128-expert, ~3B-active architecture tuned for agentic coding, with native 256K context for large repos. Q4_K_M is ~19 GB; measured 31.4 tok/s on an RTX 3080 (10 GB) at 46% VRAM residency (2026-08-01), so it stays responsive even when split. Apache 2.0. The natural upgrade path from Qwen2.5-Coder.

Alibaba · Qwen3 Coder

Editorial review

Reviewed byOpenSourcesAI EditorialLast updatedJune 2026SourcesHuggingFace model card (Qwen/Qwen3-Coder-30B-A3B-Instruct), official docs, OpenSourcesAI editorial review.

VRAM figures are empirical estimates. Actual usage varies by runtime, context length, and system configuration. Verify on your specific hardware before production use.

Will Qwen3-Coder 30B (A3B) run on your machine?

Qwen3-Coder 30B (A3B) is 30.5B parameters and needs 20.5 GB of VRAM at Q4_K_M — 19 GB of weights plus 1.5 GB of runtime overhead for the inference server itself.

VRAM by quantization

QuantizationWeightsNeeds (with overhead)Quality
Q4_K_M19 GB20.5 GBgood

Fit on common hardware at Q4_K_M

HardwareMemory the model can useSystem RAMVerdict
CPU OnlyNone (CPU only)16 GBToo large
RTX 4060 Laptop8 GB16 GBToo large
RTX 3060 (12GB)12 GB32 GBCPU offload
RTX 4060 Ti (16GB)16 GB32 GBCPU offload
RTX 309024 GB64 GBComfortable
Apple Silicon (Unified Memory) 36 GB27 GB of 36 GB36 GBComfortable
RTX 509032 GB64 GBComfortable

Comfortable means VRAM clears the requirement by 2 GB or more. Tight means it covers the requirement with no margin. CPU offload means the model does not fit in VRAM but system RAM is at least 1.6× the weights, so it will run at reduced speed — expect roughly 1–5 tokens per second. Figures are weights plus a fixed runtime overhead and exclude KV-cache growth, which scales with context length.

Apple Silicon shares one pool of memory between the system and the GPU, so a model cannot use all of it. These rows apply the same 75% usable fraction the Compatibility Checker uses, which is why a 36 GB Mac is graded on less than 36 GB.

Check Qwen3-Coder 30B (A3B) against your exact hardwareHow these verdicts are calculated

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