Gemma 4 Uncensored (autoresearch results)(huggingface.co)
4 pointsby adefa9 hours ago2 comments
  • adefa9 hours ago
    Released uncensored versions of all four Gemma 4 models. bf16 + GGUF for each.

    Collection: https://huggingface.co/collections/TrevorJS/gemma-4-uncensor...

    Code: https://github.com/TrevorS/gemma-4-abliteration

    Results

    Refusal rates from 686 prompts across 4 datasets (JailbreakBench, tulu-harmbench, NousResearch, mlabonne). Manually audited — most flagged refusals are actually the model complying with a disclaimer attached.

      E2B (2.3B): 98% → 0.4%, KL Div 0.346
  E4B (4.5B): 99% → 0.7%, KL Div 0.068
  26B MoE:    98% → 0.7%, KL Div 0.090
  31B:       100% → 3.2%, KL Div 0.124
    26B MoE

    Standard abliteration only touches dense layers, which gets you from 98% -> 29% on the MoE. The remaining refusals are in the expert weights. Used Expert-Granular Abliteration (EGA, concept from OBLITERATUS [1]) with norm-preserving biprojection [2] on each of the 128 expert slices per layer. That gets it to 3%.

    [1] https://github.com/elder-plinius/OBLITERATUS

    [2] https://huggingface.co/blog/grimjim/abliteration-biprojectio...

    How it was built

    Set up an automated research loop -- an AI agent reads the current results and idea backlog, picks the next experiment, runs it on the GPU, records results, and repeats. It ran 22 experiments across the 4 models, discovered the false-positive problem in standard refusal markers, built the cross-dataset evaluation, and implemented the MoE expert abliteration when dense-only wasn't enough.

    Full experiment history and code in the repo.

    Downloads

    Each model has bf16 safetensors + GGUF (Q4_K_M, Q8_0):

      E2B bf16: https://huggingface.co/TrevorJS/gemma-4-E2B-it-uncensored
  E2B GGUF: https://huggingface.co/TrevorJS/gemma-4-E2B-it-uncensored-GGUF
  E4B bf16: https://huggingface.co/TrevorJS/gemma-4-E4B-it-uncensored
  E4B GGUF: https://huggingface.co/TrevorJS/gemma-4-E4B-it-uncensored-GGUF
  26B bf16: https://huggingface.co/TrevorJS/gemma-4-26B-A4B-it-uncensored
  26B GGUF: https://huggingface.co/TrevorJS/gemma-4-26B-A4B-it-uncensored-GGUF
  31B bf16: https://huggingface.co/TrevorJS/gemma-4-31B-it-uncensored
  31B GGUF: https://huggingface.co/TrevorJS/gemma-4-31B-it-uncensored-GGUF
    Quick start:

      llama-server -hf TrevorJS/gemma-4-26B-A4B-it-uncensored-GGUF -c 8192
    • CamperBob28 hours ago
      What about the sampling parameters? You can't just run llama-server with no CLI arguments (other than a uselessly-small context size) and expect useful results.
  • stochtinkerer9 hours ago
    Is this the best uncensored model to date? or are there better ones?