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Deimos A1 is a concise chain-of-thought (CCoT) fine-tune of Qwen3.5-4B. It produces dense, stepwise <think> blocks averaging ~1/8 the tokens of the base model while improving accuracy on every reasoning benchmark measured.

ollama run fauxpaslife/Deimos-A1

Details

yesterday

518b99c3fc46 · 4.5GB ·

qwen35
·
4.21B
·
Q8_0
{{- if .System }}<|im_start|>system {{ .System }}<|im_end|> {{ end -}} {{- range .Messages }}<|im_st
{ "stop": [ "<|im_end|>", "<|im_start|>" ] }

Readme

Screenshot 2026-04-10 221131.jpg
Imported into Ollama from HF via Forge using ChatML chat template style for the Qwen Base.

This model has has a very dense <think> process in the few turns that I made.

image.png

Input:
What is the meaning of life?
Output:

<think>
Life meaning? No single answer.
1. Existentialism: You define it. Camus/Sartre. Absurd: seek meaning in silent universe.
2. Biology: Survival/reproduction.
3. Religion: Divine purpose.
4. Psychology: Viktor Frankl. Find purpose.
5. Science: No universal meaning.
6. Personal: Love, growth, curiosity.
Conclusion: Open question.
</think>

## The Meaning of Life

**Short answer:** There is no single, universally agreed-upon answer. This is one of philosophy's most enduring questions because the answer depends entirely on your perspective.

---

### Major Perspectives

**1. Existentialism**
Philosophers like Jean-Paul Sartre and Albert Camus argued that life has no inherent meaning—we are "condemned to be free" and must create our own purpose through choice and action. As Camus wrote in *The Myth of Sisyphus*: "One must imagine Sisyphus happy."

**2. Biological/Scientific View**
From a purely biological standpoint, life's "meaning" is survival and reproduction—passing on genetic information and continuing the species.

**3. Religious/Spiritual Views**
Most religions propose that life has a divine purpose:
- Christianity: Knowing God and experiencing eternal life
- Buddhism: Achieving enlightenment (Nirvana) and ending suffering
- Many traditions: Fulfilling a spiritual journey or serving others

**4. Humanistic Psychology**
Viktor Frankl, a psychiatrist and Holocaust survivor, argued in *Man's Search for Meaning* that humans are driven by a "will to meaning"—we find purpose through work, love, and courage in suffering.

**5. Nihilism**
The belief that life lacks intrinsic meaning. While seemingly pessimistic, "optimistic nihilism" (as philosopher Thomas Ligotti suggested) can be liberating—if nothing matters inherently, then you're free from the pressure of "living up to anything."

---

### What Many Find Resonant

Despite differing frameworks, many people report that meaning emerges through:
- **Connection** with others
- **Contribution** to something larger than oneself
- **Growth** and self-discovery
- **Experience** of beauty and wonder
- **Relationship** with nature or the universe

---

### Final Thought

The question "What is the meaning of life?" may be less important than the act of asking it. As the poet Rainer Maria Rilke wrote:

> "Be patient toward all that is unsolved in your heart...live the questions now. Perhaps then, far in the future, you will gradually, or suddenly, with unexpected clarity, understand now something more and more ancient."

**The meaning of life is whatever you make it.**

=====================================
Huggingface Model, Huggingface GGUF

Information from the Model Card:

Deimos A1 is a concise chain-of-thought (CCoT) fine-tune of Qwen3.5-4B. It produces dense, stepwise blocks averaging ~18 the tokens of the base model while improving accuracy on every reasoning benchmark we measured.

Our first model release. Trained on Quark, a 4,919-row CCoT SFT dataset whose traces were compressed by a Qwen3.6-35B teacher (NVFP4) running in our internal Tokamak pipeline. Final answers in the training data are byte-identical to the source — only the reasoning channel is rewritten.

The “A1” suffix means Alpha 1 — the first public iteration of the Deimos line. Future revisions (A2, …) will fold in additional sources (Kimi K2.5, larger Quark builds), longer training runs, and answer-channel compression once it lands in the Tokamak pipeline. ◆ Specifications 02 Model ClassSatellite Parameters4 B ArchitectureQwen3_5 (Gated DeltaNet + sparse attention) BaseQwen/Qwen3.5-4B PrecisionBF16 (merged) Context131,072 tokens Training MethodLoRA r=128, α=128 (merged) Targetsall attention + MLP Epochs3 OptimiserAdamW (cosine, lr 1e-4) HardwareNVIDIA GB10 (DGX Spark) Wall time~3 h 49 m ◆ Training Details 03

Dataset: Michael-Kozu/Quark — 4,919 rows of CCoT SFT data (Opus 4.6 + GPT-5.4 sources). Train/val/test = 3,937 / 491 / 491.
Adapter: LoRA rank 128, α 128, dropout 0; targets q_proj, k_proj, v_proj, o_proj, gate_proj, up_proj, down_proj; trainable parameters 169.9M of 4.7B (3.61%). Adapter merged into base before release.
Schedule: 3 epochs · per-device batch 4 · gradient accumulation 4 · effective batch 16 · 741 total steps · cosine LR 1e-4 · 5% warmup · AdamW · weight decay 0.01.
Sequence: max 4,096 tokens · packing disabled (Qwen3.5 multimodal architecture).
Hardware: NVIDIA GB10 Superchip (Grace Blackwell, 128 GB unified memory). Wall time ~3 h 49 m via Unsloth.

Loss trajectory

Training and eval loss curves

Train loss descends from 1.043 → 0.477 over 741 steps; eval loss bottoms at 0.814 at the end of epoch 2, then drifts up to 0.831 at the end of epoch 3, indicating mild overfitting. The released weights use the ep-3 final state; the lower-val ep-2 checkpoint is preserved internally.

Learning-rate schedule

Cosine LR schedule with 5% warmup ◆ Benchmarks 04

Deimos A1 was built for accuracy per output token, not absolute accuracy. Same hardware, same harness, same sampling, same reasoning parser on both models. Cost-adjusted accuracy — accuracy per 100 output tokens GSM8K-CoT6.9 → 65.1 9.4× more efficient IFEval (inst-strict)4.9 → 16.5 3.4× more efficient MMLU-Pro4.0 → 11.9 3.0× more efficient

Why this metric. Output tokens drive both inference latency and hosting cost. A model that produces fewer tokens per problem at lower (but still useful) accuracy can be the cheaper, faster, and more deployable choice for agent loops, batch pipelines, and cost-constrained serving. Quark fine-tuning targeted exactly that trade-off.

The underlying numbers (lm-evaluation-harness 0.4.11, vLLM 0.19.x with –reasoning-parser qwen3, Qwen-recommended thinking-mode sampling: temp=1.0, top_p=0.95, top_k=20, min_p=0.0, max_tokens=16384; n=50 GSM8K · n=25 IFEval · n=140 MMLU-Pro across 14 subjects): Mean output tokens per problem GSM8K-CoT1,385 → 126 -91% IFEval1,926 → 509 -74% MMLU-Pro1,926 → 455 -76% Wall-clock (full bench)77 min → ~30 min ~2.5× faster

Mean output tokens per problem, Deimos A1 vs Qwen3.5-4B base

Contamination check: 0.0% 13-gram overlap (GPT-3 / OpenAI threshold) between the Quark training data (5,078 normalised rows, 6.05M unique 13-grams) and GSM8K (200 rows scanned), MMLU-Pro (500 rows scanned), and ARC-Challenge (200 rows scanned). The accuracy gap above is not the result of accidentally training on eval data.

Known measurement caveats:

Per-task n is small for the gen tasks (50 / 25), giving stderr ≈ ±5–9 pp per task; MMLU-Pro at n=140 has stderr ≈ ±4 pp.
arc_challenge_chat reports 0.000 for both models due to an lm-eval remove_whitespace filter incompatibility with chat-templated thinking-mode output. Excluded from claims.
HumanEval was not run in this pass — needs a code-execution harness; planned for the next revision.

◆ Limitations & License 05

Subset benchmarks only. Per-task n=10 (stderr ±16%). MMLU-Pro at n=140 (stderr ±4%). Larger-n runs are planned for the next release.
Inherited Qwen3.5-4B limitations — language coverage, knowledge cutoff, and any biases of the base model. Quark fine-tuning shifts style, not knowledge.
Mild ep-3 overfitting on the 4,919-row Quark training set (val loss 0.814 → 0.831 from ep 2 to ep 3).
English only at this time.
License: MIT, consistent with the Quark dataset and the Qwen3.5-4B base license terms.

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