Qwen3-Coder-30B-A3B-Instruct โ€” Backpack GGUF

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GGUF quantizations of Qwen/Qwen3-Coder-30B-A3B-Instruct, tested for llama.cpp-compatible text inference and packaged for Backpack.

Model

Property Value
Original model Qwen/Qwen3-Coder-30B-A3B-Instruct
Original publisher Qwen
Upstream revision b2cff646eb4bb1d68355c01b18ae02e7cf42d120
Architecture Qwen3MoeForCausalLM
Parameters 30,532,122,624
Context length 262,144
Input modalities text
Output modalities text
License apache-2.0

Available packages

Quantization Size Approx. RAM Recommended for
Q4_K_M 17.3 GiB 26.05 GB Most users
Q5_K_M 20.2 GiB 30.33 GB Higher quality
Q8_0 30.3 GiB 44.85 GB Plenty of memory

Memory values are estimates, not guarantees. Runtime configuration and context length change actual use.

Backpack recommendation

Recommended: Q4_K_M. It usually offers a practical quality, size, and speed balance for local inference.

Run with llama.cpp

Using the llama.cpp revision recorded below:

llama-completion --model Qwen3-Coder-30B-A3B-Instruct-Q4_K_M.gguf -cnv

Run with Backpack

These artifacts and backpack-model.yaml are prepared for the Backpack AI workspace.

Validation

Package Integrity Load Inference Tokenizer
Q4_K_M passed passed passed passed
Q5_K_M passed passed passed passed
Q8_0 passed passed passed passed

Capability qualification: code

Tested with Qwen3-Coder-30B-A3B-Instruct-Q4_K_M.gguf. These are deterministic smoke tests, not benchmark scores.

Capability Status
chat passed
code_generation passed
structured_tool_arguments passed
tool_calling passed
multi_turn_tool_loop passed
  • Packaged: 2026-08-30T21:24:08.172221+00:00

  • llama.cpp revision: bdf3955159d7184f44b76091973eeff532890a35

  • SHA-256 checksums: see checksums.sha256

  • Qwen3-Coder-30B-A3B-Instruct-Q4_K_M.gguf: 5f27bd8085b01b078454eb13e17d0c07cdd2d346f7033713a55d6c2c05c84c43

  • Qwen3-Coder-30B-A3B-Instruct-Q5_K_M.gguf: 7249b80c81e43dbbaeb7a68480577b0cf7360b751dd2392ad15039f0a46ee4b9

  • Qwen3-Coder-30B-A3B-Instruct-Q8_0.gguf: 8ec8ddf444b5ec40615ab0cb7fda0bf94483b3c5e6de1237991deca430d01b96

Provenance

The source model was resolved to immutable revision b2cff646eb4bb1d68355c01b18ae02e7cf42d120. It was converted with llama.cpp's convert_hf_to_gguf.py and quantized with llama-quantize; the exact tested revision is recorded above and in backpack-model.yaml.

License and attribution

Upstream declares apache-2.0. Review the upstream model card and comply with all applicable terms.

Backpack does not claim ownership of the original model. These artifacts are packaged and quantized distributions of the upstream model.

Disclaimer

Quantization can alter output quality. Memory estimates vary with runtime configuration, context length, and hardware.

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