Apodex-1.1-mini MLX

MLX conversion of apodex/Apodex-1.1-mini, a 35.95B-parameter Qwen3.5 MoE model designed for research, data, files, code, and tool-driven work.

This release is optimized for text generation with mlx-lm on Apple silicon.

Upstream benchmarks

Both figures are reproduced from the upstream model card. They report evaluations performed with FrontierAgent, Apodex's open-source agent runtime and evaluation suite, using its ReAct and Agent Team workflows. They do not measure this MLX conversion.

Apodex-1.1 benchmark results

Upstream Apodex-1.1 evaluation results using FrontierAgent's ReAct and Agent Team workflows.

Apodex-1.1-mini benchmark results

Upstream Apodex-1.1-mini evaluation results using FrontierAgent. With the Agent Team workflow, the model scored 27.7 on APEX-Agent, 50.2 on FrontierFinance, and 51.7 on FrontierScience-Research.

Model details

Item Value
Format MLX safetensors
Quantization Affine 4-bit, group size 64
Effective bits per weight 4.503
Model size 19.5 GB
Non-quantized dtype BF16
Architecture Qwen3_5MoeForConditionalGeneration

The MoE router and shared-expert gate weights remain at 8-bit; other eligible weights use affine 4-bit quantization.

This is a text-only MLX release. Image input is not supported. Current official mlx-lm Qwen3.5 support filters the native mtp.* weights, so native MTP is not included. Standard generation is unaffected.

Hugging Face may show approximately 5B parameters because packed MLX uint32 tensors are counted as stored elements. The source model contains 35.95B parameters.

Upstream compatibility

The tokenizer configuration and chat template are synchronized with upstream revision 62583b4.

Usage

pip install -U mlx-lm

mlx_lm.generate \
  --model abenzerps/Apodex-1.1-mini-MLX \
  --prompt "Explain why reproducible builds matter." \
  --max-tokens 512 --temp 0.7

The 19.5 GB weights require additional unified memory for the runtime and KV cache, especially at long context lengths. To disable thinking, pass --chat-template-config '{"enable_thinking": false}'.

Checksums

SHA-256 hashes for every shard and supporting file are provided in SHA256SUMS.

sha256sum -c SHA256SUMS

License

The source model was released by Apodex AI under the Apache License 2.0. The same license and attribution requirements apply to this conversion.

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