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DeepGrove•August 4, 2026
Maple-Preview
Open Source
reasoning
ternary
mixture-of-experts
on-device
### TL;DR
Maple-Preview is an open-source 20B-A1B ternary-weight reasoning large language model optimized for efficient on-device inference. It features a 24-layer, 256-expert architecture designed to deliver state-of-the-art reasoning capabilities while maintaining high performance on consumer hardware like the Mac mini M4.
Key Insights & Metrics
Pricing
Free (Open Source)
Cost structure
Version
Preview
Current release version
Hardware
Compatible CUDA environment for Transformers implementation; separate on-device runtime for Apple Silicon
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- 20B-A1B ternary-weight architecture
- 256-expert configuration with 8 active experts
- 131,072 token context window
- High-speed inference (200+ tokens/sec on M4 Mac mini)
- Optimized for on-device deployment
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