OVERVIEW

OMNISENTER BASE 16B IS A DARWIN FAMILY EVOLVED MULTIMODAL MODEL — THE FIRST GENERATION OF THE OMNISENTER LINEAGE. PRODUCED BY FUSING THE REASONING CAPABILITIES OF QWEN3-8B INTO THE MULTIMODAL WORLD MODEL COSMOS3-NANO VIA PER-TENSOR MRI-TRUST FUSION.

THE MODEL PRESERVES ALL OF COSMOS3-NANO'S MULTIMODAL MODALITIES — VISION, AUDIO, VIDEO UNDERSTANDING AND GENERATION — WHILE BLENDING IN QWEN3-8B'S TEXT REASONING STRENGTHS.

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PARENT MODELS

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MERGE SPECIFICATIONS

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METHOD .................. DARWIN FAMILY MRI-TRUST FUSION
GENOME DENSITY (ρ_b) .... 0.5
MRI-TRUST COEFF (τ) ..... 0.4
TEXT TENSORS MERGED ..... 398
COSMOS EXTRAS PRESERVED . 399 (CROSS-ATTN, MOE TWINS, MODALITY)
TOTAL OUTPUT TENSORS .... 798
SHAPE MATCH RATE ........ 398/398 (100%)
MERGE TIME .............. 195S
MODEL SIZE .............. 29GB (BFLOAT16, 7 SHARDS)

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ARCHITECTURE

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OMNISENTER BASE 16B
├── TEXT BACKBONE (DARWIN-MERGED QWEN3)
│   ├── 36 TRANSFORMER LAYERS
│   ├── SELF-ATTN + MLP + NORMS PER LAYER
│   ├── EMBED_TOKENS (151,936 VOCAB)
│   └── LM_HEAD
├── CROSS-MODAL ATTENTION (FROM COSMOS3-NANO)
│   ├── ADD_Q/K/V_PROJ + TO_ADD_OUT PER LAYER
│   └── NORM_ADDED_Q/K PER LAYER
├── MOE GENERATION TWINS (FROM COSMOS3-NANO)
│   └── LAYERS.*.MLP_MOE_GEN.* + LAYERNORMS
├── VISION ENCODER
├── DIFFUSION TRANSFORMER (VIDEO/IMAGE GEN)
├── SOUND TOKENIZER
└── VAE

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CAPABILITIES

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TEXT REASONING ......... YES — ENHANCED VIA QWEN3-8B FUSION
VISION ................ YES — PRESERVED FROM COSMOS3-NANO
AUDIO ................. YES — PRESERVED FROM COSMOS3-NANO
VIDEO UNDERSTANDING ... YES — PRESERVED FROM COSMOS3-NANO
VIDEO GENERATION ...... YES — PRESERVED FROM COSMOS3-NANO
TOOL CALLING .......... BASE CAPABILITY — IMPROVEMENT VIA SFT (PLANNED)
AGENTIC BEHAVIOR ...... BASE CAPABILITY — IMPROVEMENT VIA SFT (PLANNED)
MUSIC GENERATION ...... NOT YET — ACESTEP INTEGRATION PLANNED (LINE 2)

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USAGE

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from transformers import AutoModelForCausalLM, AutoTokenizer
import torch

model = AutoModelForCausalLM.from_pretrained(
    "sovthpaw/OmniSenter-Base-16B",
    torch_dtype=torch.bfloat16,
    device_map="auto",
)
tokenizer = AutoTokenizer.from_pretrained("sovthpaw/OmniSenter-Base-16B")

messages = [{"role": "user", "content": "Hello, what can you do?"}]
text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = tokenizer([text], return_tensors="pt").to(model.device)
outputs = model.generate(**inputs, max_new_tokens=512)
print(tokenizer.decode(outputs[0], skip_special_tokens=True))

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TRAINING DATA (FOR FUTURE SFT)

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HERMES REASONING TOOL USE ............. 5,000 CONVERSATIONS
AURETH SFT CURRICULUM ................. 5,000 CONVERSATIONS
HERMES AGENT TRACES ................... 3,679 CONVERSATIONS
HERMES FUNCTION CALLING + THINKING .... 3,570 CONVERSATIONS
HERMES FUNCTION CALLING V1 ............ 1,893 CONVERSATIONS
─────────────────────────────────────────────────────────────
TOTAL ................................ 34,142 CONVERSATIONS
ADDITIONAL: NEMOTRON, ATRPOPS, NOUS RESEARCH DATASETS

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HARDWARE REQUIREMENTS

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LINEAGE

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COSMOS3-NANO ──┐
               ├── DARWIN MERGE ──► OMNISENTER BASE 16B (GEN-0)
QWEN3-8B ─────┘                           │
                                           ├──► GEN-1 (EVOLVED, CMA-ES)
                                           ├──► GEN-2 (EVOLVED + SFT)
                                           └──► ... CONTINUOUS EVOLUTION

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CITATION

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@article{darwin2026family,
  title={Darwin Family: Training-Free Evolutionary Model Merging},
  author={Darwin Team},
  journal={arXiv preprint arXiv:2605.14386},
  year={2026}
}

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ACKNOWLEDGMENTS

• NVIDIA FOR COSMOS3-NANO
• QWEN TEAM FOR QWEN3-8B
• NOUS RESEARCH FOR HERMES AGENT TRAINING DATA AND INFRASTRUCTURE
• THE DARWIN FAMILY PAPER AUTHORS FOR THE EVOLUTIONARY MERGING METHODOLOGY

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TOWARDS SELF-IMPROVEMENT

NOUS RESEARCH