{"architecture": "gated", "d_in": 512, "d_sae": 8192, "dtype": "float32", "device": "cuda", "model_name": "attn-only-2l-demo", "hook_name": "blocks.1.attn.hook_z", "hook_layer": 1, "hook_head_index": null, "activation_fn_str": "relu", "activation_fn_kwargs": {}, "apply_b_dec_to_input": true, "finetuning_scaling_factor": false, "sae_lens_training_version": "3.23.1", "prepend_bos": true, "dataset_path": "apollo-research/Skylion007-openwebtext-tokenizer-EleutherAI-gpt-neox-20b", "dataset_trust_remote_code": true, "context_size": 1024, "normalize_activations": "none", "neuronpedia_id": null, "model_from_pretrained_kwargs": {"center_writing_weights": false}, "l1_coefficient": 2, "lp_norm": 1, "use_ghost_grads": false, "normalize_sae_decoder": false, "noise_scale": 0.0, "decoder_orthogonal_init": false, "init_encoder_as_decoder_transpose": true, "mse_loss_normalization": null, "decoder_heuristic_init": true, "scale_sparsity_penalty_by_decoder_norm": false}