{ "architecture": { "d_model": 768, "hidden_dim": 2048, "max_seq_len": 2048, "n_heads": 12, "n_layers": 18, "rms_norm_eps": 1e-05, "rope_base": 10000.0, "vocab_size": 256 }, "architecture_name": "ModernByteTransformer", "attention_type": "causal_sdpa_full_mha_rope", "chat_format": { "format": "agent_multiparty", "room_header": "<|room|> scope=direct members=p0,p1\n<|participants|>\np0=Agent.Ajax\np1=Agent.Steve\n", "end_sequence": "\n<|end|>\n" }, "model_type": "harmonic_byte_transformer", "parameter_count": 127627008, "source_checkpoint": "dgx_128m_transformer_agent_sft_ab/agent_multiparty/latest.pt", "source_pretraining_bytes": 5898240000, "source_pretraining_step": 90000, "source_sft_format": "agent_multiparty", "source_sft_step": 500, "torch_dtype": "float32", "vocab_semantics": "token IDs 0-255 map directly to raw byte values" }