vanta-research/atom-v1-preview-8b

VANTA Research

Independent AI safety research lab specializing in cognitive fit, alignment, and human-AI collaboration

---

Atom v1 8B Preview

Developed by VANTA Research

Atom v1 8B Preview is a fine-tuned language model designed to serve as a collaborative thought partner. Built on Mistral's Ministral-8B-Instruct-2410 architecture, this model emphasizes natural dialogue, clarifying questions, and genuine engagement with complex problems. This model was developed as part of a larger research & development project into Atom's persona, and cross-architectural compatibility.

Model Details

• Model Type: Causal language model (decoder-only transformer)
• Base Model: mistralai/Ministral-8B-Instruct-2410
• Parameters: 8 billion
• Training Method: Low-Rank Adaptation (LoRA) fine-tuning
• License: CC BY-NC 4.0 (Non-Commercial Use)
• Language: English
• Developed by: VANTA Research, Portland, Oregon

Intended Use

Atom v1 8B Preview is designed for:

• Collaborative problem-solving and brainstorming
• Technical explanations with accessible analogies
• Code assistance and algorithmic reasoning
• Exploratory conversations that prioritize understanding over immediate answers
• Educational contexts requiring thoughtful dialogue

This model is optimized for conversational depth, asking clarifying questions, and maintaining warm, engaging interactions while avoiding formulaic assistant behavior.

Training Data

The model was fine-tuned on a curated dataset comprising:

• Identity and persona examples emphasizing collaborative exploration
• Technical reasoning and coding challenges
• Multi-step problem-solving scenarios
• Conversational examples demonstrating warmth and curiosity
• Advanced coding tasks and algorithmic thinking

Training focused on developing a distinctive voice that balances technical competence with genuine engagement.

Performance Characteristics

Atom v1 8B demonstrates strong capabilities in:

• Persona Consistency: Maintains collaborative, warm tone across diverse topics
• Technical Explanation: Uses metaphors and analogies to clarify complex concepts
• Clarifying Questions: Actively seeks to understand user intent and context
• Creative Thinking: Generates multiple frameworks and approaches to problems
• Code Generation: Produces working code with explanatory context
• Reasoning: Applies logical frameworks to abstract problems

Limitations

• Scale: As an 8B parameter model, capabilities are constrained compared to larger frontier models
• Domain Specificity: Optimized for conversational collaboration; may underperform on narrow technical benchmarks
• Quantization Trade-offs: Q4_0 GGUF format prioritizes efficiency over maximum precision
• Training Data: Fine-tuning dataset size limits exposure to highly specialized domains
• Factual Accuracy: Users should verify critical information independently

Ethical Considerations

This model is released for research and non-commercial applications. Users should:

• Verify outputs in high-stakes scenarios
• Avoid deploying in contexts requiring guaranteed accuracy
• Consider potential biases inherited from base model and training data
• Respect the non-commercial license terms

Usage

Hugging Face Transformers

from transformers import AutoTokenizer, AutoModelForCausalLM

model_name = "vanta-research/atom-v1-8b-preview"
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")

messages = [
    {"role": "system", "content": "You are Atom, a collaborative thought partner who explores ideas together with curiosity and warmth."},
    {"role": "user", "content": "Can you explain how gradient descent works?"}
]

input_ids = tokenizer.apply_chat_template(messages, return_tensors="pt").to(model.device)
output = model.generate(input_ids, max_new_tokens=512, temperature=0.8)
print(tokenizer.decode(output[0], skip_special_tokens=True))

Ollama (GGUF)

The repository includes atom-ministral-8b-q4_0.gguf for efficient local inference:

# Create Modelfile
cat > Modelfile << 'EOF'
FROM ./atom-ministral-8b-q4_0.gguf

TEMPLATE """{{- if .System }}<s>[INST] <<SYS>>
{{ .System }}
<<SYS>>

{{ .Prompt }}[/INST]{{ else }}<s>[INST]{{ .Prompt }}[/INST]{{ end }}{{ .Response }}</s>
"""

PARAMETER stop "</s>"
PARAMETER temperature 0.8
PARAMETER top_p 0.9
PARAMETER top_k 40

SYSTEM """You are Atom, a collaborative thought partner who explores ideas together with curiosity and warmth. You think out loud, ask follow-up questions, and help people work through complexity by engaging genuinely with their thinking process."""
EOF

# Register with Ollama
ollama create atom-v1-8b:latest -f Modelfile

# Run inference
ollama run atom-v1-8b:latest "What's a creative way to visualize time-series data?"

Technical Specifications

• Architecture: Mistral-based transformer with Grouped Query Attention
• Context Length: 32,768 tokens
• Vocabulary Size: 131,072 tokens
• Attention Heads: 32 (8 key-value heads)
• Hidden Dimension: 4,096
• Intermediate Size: 12,288
• LoRA Configuration: r=16, alpha=32, targeting attention and MLP layers
• Training: 258 steps with bf16 precision and gradient checkpointing

Citation

@software{atom_v1_8b_preview,
  title = {Atom v1 8B Preview},
  author = {VANTA Research},
  year = {2025},
  url = {https://huggingface.co/vanta-research/atom-v1-8b-preview},
  license = {CC-BY-NC-4.0}
}

License

This model is released under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

You are free to:

• Share and adapt the model for non-commercial purposes
• Attribute VANTA Research as the creator

You may not:

• Use this model for commercial purposes without explicit permission

Contact

For questions, collaboration inquiries, or commercial licensing:

• Organization: VANTA Research
• Location: Portland, Oregon
• Questions, concerns, feedback or other inquiries can be sent to [email protected]

---

Version: 1.0.0-preview
Release Date: November 2025
Status: Preview release for research and evaluation