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Complete browser-native LLM training runtime in a single HTML file.
Architecture: RWKV-v6 + BitNet b1.58 ternary quantization
Training: OOMB chunk-recurrent backpropagation
Optimizer: AdamW (default) + Muon Newton-Schulz quintic
Alignment: GRPO critic-free RL
Tokenizer: BPE via WebWorker
Storage: IndexedDB + JSON export/import
Zero dependencies. Zero server. Runs offline.