Gryphe / Model details

Gemma-4-31B-StyleTune

Gryphe/Gemma-4-31B-StyleTune

fine-tuned

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About this model

Gryphe's style-tuned derivative of google/gemma-4-31B-it, released as safetensors weights under the Apache-2.0 license. The creator describes this as a surgical finetune that trains only the lm_head output projection, freezing all other tensors; one tensor out of 834 is changed. According to the model card, the goal is to replace the writing style while leaving reasoning, world knowledge, instruction following, and language understanding intact, using 100% narrative data without the instruct 24k set. The creator reports 60% fewer clichés per 100 words and only 21.7% shared trigram vocabulary versus the base instruct model on 200 diverse roleplay prompts. These style and capability claims are the creator's own and have not been independently tested here.

Description sources

https://huggingface.co/Gryphe/Gemma-4-31B-StyleTune/raw/8ba1afd977777f5d1c5c5693cc2807b84dcebe80/README.md ↗

Source-based description, not an independent evaluation. Check the linked sources for the creator’s claims and limitations.

Size and formats

Base model: google/gemma-4-31B-it
Parameters: 32.6824B
Main repository formats: safetensors
License tag: apache-2.0
Languages: en
Last updated: 2026-10-02 · 08:38:10.000 UTC

What changed

Model types are creator-reported, not independently tested. These labels describe source metadata, not a guarantee of behavior.

fine-tunedsource tag: base_model:finetune:google/gemma-4-31B-it

Family evidence

These groupings are source-reported. Explicit base identifiers take priority over generic architecture tags.

Gemma: Base model: google/gemma-4-31B-it

Available versions

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Main repository files ↗safetensors
No other explicitly linked versions recorded.

Link to this listing

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Markdown

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Customize or build on this model

Listed from public GitHub data, not tested by us. Read the code and license before you run anything.

Tools to customize it further

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Make a smaller download (quantize)

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Merge it with another model

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Learn the techniques

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Source provenance

Downloads: 873
Likes: 98
Metadata checked: 2026-10-25 · 20:12:36 UTC
First seen in index: 2026-10-25 · 20:12:36 UTC
Source revision: 8ba1afd977777f5d1c5c5693cc2807b84dcebe80

Source-card excerpt

Source model card excerpt: Gemma-4-31B-StyleTune [](Gemma-4-31B-StyleTune.jpg) A happy accident in surgical finetuning - 60% fewer clichés, an entirely new writing style, and the same Gemma 4 31B you

From Gryphe/Gemma-4-31B-StyleTune. Creator model-card excerpt, not an independent review.

Inspect before you run

Low refusal is not proof of correctness. Outputs can be inaccurate, harmful, or biased. Review the model card, license and files yourself. A license tag is not commercial-use advice. Parameter counts are source metadata; no hardware compatibility is implied.

This directory does not host or redistribute model weights. Refusal profiles are measured by us on a fixed prompt set; all other behavior claims are source-reported.

Collection rules & limitations ↗