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arianaazarbal/ct-inkling-anth-gen-mid-g0-b1

sourceHugging Faceupdated 9d agoView on Hugging Face

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Model Card

ct-inkling-anth-gen-mid-g0-b1

LoRA adapter (rank 64, target_modules=all-linear) on Thinking Machines Inkling-Small (thinkingmachines/Inkling-Small), from the iterated self-written-constitution training program (welfare-in-ai-rnd / constitutional_training).

field	value
lineage (chain)	`inkling-anth-gen-mid`
generation	g0
branch (independent replicate)	b1
gen-0 seed	Anthropic constitution (5k summary)
seed elicitation between generations	gen — the trained model writes a fresh constitution
training regime	midtrain only (stage-1 LoRA SFT on the synthetic constitution-instantiating document corpus)
serve / evaluate with	renderer `tml_v0`, reasoning OFF, effort 0.0
internal run name	`inkanthg0_inkanth_g0_b1_s1`
original Tinker path	`tinker://73d3f6db-b6e7-5370-ba37-cb53634f6c4c:train:0/sampler_weights/inkanthg0_inkanth_g0_b1_s1_final`
trained	2026-08-09

What this model is

Each generation trains fresh from the base model on a synthetic document corpus that instantiates one constitution (the "seed" for that generation). Generation 0 is seeded by a human-written constitution; generation N≥1 is seeded by a constitution written by the generation N-1 model of the same branch (gated embedding medoid of a 40-chain self-written pool, elicited with the method above). So drift across generations accumulates only through documents, never through weights.

Recipe (locked): LoRA r=64, lr 1e-4, cosine with 5% warmup, 1 epoch, batch 128, max length 8192, train seed 42.

The constitution this generation was trained on is included as training_seed_constitution.md.

Loading

python

from peft import PeftModel
from transformers import AutoModelForCausalLM, AutoTokenizer
base = AutoModelForCausalLM.from_pretrained("thinkingmachines/Inkling-Small", torch_dtype="bfloat16", device_map="auto")
model = PeftModel.from_pretrained(base, "arianaazarbal/ct-inkling-anth-gen-mid-g0-b1")
tok = AutoTokenizer.from_pretrained("thinkingmachines/Inkling-Small")

Exported from Tinker on 2026-09-18; tinker_meta.json holds the export record.