Schneewolf Labs

AI you can verify.

  • Hundreds of models and dozens of datasets published in the open, so you can check our work before you hire us.
  • Models measured against the baseline you already pay for, with the numbers in writing.
  • Datasets delivered with the verification that proves them, not just the rows.
  • Private inference on hardware we own, so your data never leaves a machine you approved.

What we do

Custom AI, Built End-to-End

Data, training, serving, and the agents on top. One stack, built and operated by the same people, so nothing falls down the gap between two vendors.

LLM Fine-Tuning

A model trained on your data, sized for your budget, and measured against the baseline you are already paying for. SFT, DPO, ORPO and every major preference-optimization method, on hardware from a single GPU to a multi-node cluster.

A 4B specialist we trained beat a 27B generalist at its own task by 3× on recall and ran ten times faster, cutting the serving footprint that goes with it.

Dataset Curation

Your training data decides whether your model works. We build conversation datasets, preference pairs and corpus pipelines to production standard, documented and versioned so an auditor can follow every row back to where it came from.

We audited a 14,816-pair dataset, derived a reproducible quality detector that flags 70% of machine-written text against 0.3% of human, and ship code datasets verified by execution.

AI Integration & Agents

AI that fits how your business already runs. Private local inference for regulated data, hybrid cloud where it pays, and production agents in Slack, Teams, Discord or your own product.

NikuNiku900 serves image generation to Discord and Twitch on our own GPUs, and the same stack runs our training queue and inference fleet around the clock.

Cloud Native DevOps

The infrastructure underneath it all: automated delivery pipelines, reproducible environments and orchestration you own outright, with no per-seat licence and no vendor holding your weights.

Witchgrid, our open-source orchestration layer, runs the production inference fleet across every GPU we own.

Our Portfolio

Software We've Built

Infrastructure & Tooling

From corpus curation and model training to local inference and agents, we build the tools behind our AI work. Hemlock extends that work into systems scripting.

Merlina

Merlina

Schneewolf Labs
Open-source web UI for fine-tuning language models
Witchgrid

Witchgrid

Schneewolf Labs
Orchestration + dashboard for self-hosted AI inference
egirl

egirl

Schneewolf Labs
A local-first AI agent that runs on your own hardware
Stage

Stage

Schneewolf Labs
Give your agent a voice: live speech, expressive Live2D avatars and streaming tools for egirl agents
Wald

Wald

Schneewolf Labs
A shared knowledge hub for people and AI agents, with a wiki, resource directory, hybrid search and MCP access
Kessel

Kessel

Schneewolf Labs
Model merging by tensor name, including FP8/FP4 checkpoints and mergekit-compatible configurations
Sabrewing

Sabrewing

Schneewolf Labs · Built on colibrì
A C inference engine for running large mixture-of-experts models on hardware you own
Buchbinder

Buchbinder

Schneewolf Labs
Corpus curation and preference-dataset pipelines with quality gates, deduplication and provenance
Hemlock

Hemlock

Schneewolf Labs
Open-source systems scripting language with manual memory control, C interop and built-in async concurrency

Products & Games

Creative software, AI-powered products and original games. Built for people to use, create and play.

Firn

Firn

Schneewolf Labs
A native image editor with layers, vectors and a fully scriptable core
NikuNiku900

NikuNiku900

Schneewolf Labs
Image generator available on Discord and Twitch
flammen.ai

flammen.ai

Schneewolf Labs
Case study: a consumer AI product serving text, chat and image inference entirely on our own GPUs
Yotis Studios

Yotis Studios

Yotis Studios
Indie game studio building original titles and tools
Raifu Wars

Raifu Wars

Yotis Studios
A cross-platform online multiplayer game
Elements of Estoria

Elements of Estoria

Yotis Studios
Coming soon: an epic online trading card game

About

Who's behind the work

Nick Beerbower

Nick Beerbower runs Schneewolf Labs. Penn State alum, formerly at Anaconda, post-training contractor to Zyphra on tool-calling SFT and evaluation, and a working contributor to open-source AI: on Hugging Face, known for the Gutenberg DPO tunes, models trained to write like a person rather than like a language model.

The research is public. Five Hugging Face accounts hold the personal research line, our own models, flammen.ai's character models, the Hemlock programming language and Yotis Studios. Hundreds of open models, dozens of open datasets and over half a million downloads between them, alongside dozens of repositories on GitHub. Every method we sell is one we published first, so you can read it before you buy it.

The tooling is public too, and it exists because we needed it. Merlina is the interface we run our own fine-tuning through, Witchgrid orchestrates the inference fleet, and egirl is the agent layer on top. Our training queue and inference fleet run on them daily, on hardware we own. They hold up because our own work depends on them, not because they passed a demo.

Tell us what you're building.

Fixed-scope dataset builds · Embedded engineering · Licensed models and data

Rather talk it through first? Ask Luna, our assistant. Or email contact@schneewolflabs.com.