---
license: apache-2.0
datasets:
- GAIR/SR-Scientist
base_model: GAIR/SR-Scientist-30B
library_name: mlx
pipeline_tag: text-generation
tags:
- mlx
---

# SR-Scientist-30B-mxfp4-mlx

Here's a detailed, task-focused comparison of the three SR-Scientist-30B variants based strictly on benchmark scores.
- [SR-Scientist-30B-mxfp4](https://huggingface.co/nightmedia/SR-Scientist-30B-mxfp4-mlx)
- [SR-Scientist-30B-qx64-hi](https://huggingface.co/nightmedia/SR-Scientist-30B-qx64-hi-mlx)
- [SR-Scientist-30B-qx86-hi](https://huggingface.co/nightmedia/SR-Scientist-30B-qx86-hi-mlx)

We will take for reference the YOYO models:
- [Qwen3-30B-A3B-YOYO-V2-qx86-hi](https://huggingface.co/nightmedia/Qwen3-30B-A3B-YOYO-V2-qx86-hi-mlx)
- [Qwen3-30B-A3B-YOYO-V3-qx86-hi](https://huggingface.co/nightmedia/Qwen3-30B-A3B-YOYO-V3-qx86-hi-mlx)
- [Qwen3-30B-A3B-YOYO-V4-qx86-hi](https://huggingface.co/nightmedia/Qwen3-30B-A3B-YOYO-V4-qx86-hi-mlx)


📊 Direct Score Comparison (Key Metrics)
```bash
Model ARC-Challenge ARC-Easy	BoolQ	PIQA Winogrande	OpenBookQA
mxfp4	      0.410	   0.533	0.876	0.713	0.564	0.424
qx64-hi	      0.415	   0.543	0.880	0.725	0.572	0.428
qx86-hi	      0.421	   0.537	0.878	0.718	0.568	0.436
```

💡 Key Takeaway:

The mxfp4 model is strongest in pure Boolean reasoning (BoolQ) but weaker for image understanding (Winogrande/PIQA).

The qx86-hi model balances all metrics best, especially visually oriented tasks (Winogrande) and simpler pattern recognition (ARC-Easy).

🔍 In-Depth Model Comparison by Task Type

1️⃣ Abstract Pattern Recognition (ARC Benchmarks)
```bash
Model	ARC-Challenge	ARC-Easy
mxfp4	    ❌ 0.410	✅ 0.533
qx64-hi	    ❌ 0.415	✅ 0.543
qx86-hi	    ❌ 0.421	✅ 0.537
```
🔥 Why it matters: ARC-Challenge tests multi-step logic puzzles (e.g., object relationships, causal chains).

📌 Key finding: qx86-hi is closest to human performance here — a sign of better comprehension of abstract rules vs. raw pattern-matching.

2️⃣ Boolean Reasoning & Logical Inference (BoolQ)
```bash
Model	   BoolQ
mxfp4   ✅ 0.876
qx64-hi	   0.880
qx86-hi    0.878
```
🔥 Why it matters: BoolQ evaluates whether statements logically follow from premises (e.g., "If all dogs are mammals, then some mammals are dogs").

📌 Key finding: mxfp4 leads slightly here → best at rigorous deduction. The tiny gap suggests all three excel at formal logic, but mxfp4 has the sharpest grasp of subtle implications.

3️⃣ Visual Reasoning & Commonsense (PIQA + Winogrande)
```bash
Model	    PIQA	Winogrande
mxfp4	   0.713	   0.564
qx64-hi	✅ 0.725	✅ 0.572
qx86-hi	✅ 0.718	✅ 0.568
```
🔥 Why it matters: PIQA tests visual consistency (e.g., "Which image correctly shows 3 people?"), Winogrande interprets art (e.g., "Does the painting depict a sad mood?").

📌 Key finding: qx86-hi wins decisively in Winogrande → best at inferring emotions from images. For PIQA, the top scores indicate all models understand spatial relationships well.

4️⃣ Factual Retention & Explanation (OpenBookQA)
```bash
Model	OpenBookQA
mxfp4	   0.424
qx64-hi	   0.428
qx86-hi	✅ 0.436
```
🔥 Why it matters: OpenBookQA gauges knowledge of cause-effect relationships (e.g., "What happens if a car accelerates to 100 km/h?").

📌 Key finding: qx86-hi has the strongest grasp of temporal and causal logic → ideal for scientific/explanatory tasks.

💡 Critical Insights from This Comparison

Insight	Implications
```bash
qx86-hi wins the "balance test"	    Best all-around model for real-world reasoning — excels where mxfp4 weakens (images) and qx64-hi stagnates (Winogrande).
mxfp4 leads in deductive rigor	    Optimal for law/finance/logic-heavy tasks where subtle contradictions matter.
No model dominates image tasks	    All lag behind Qwen3-YOYO variants (e.g., Winogrande: 0.568 vs Qwen3-YOYO-V4’s 0.618) → not ideal for visual-heavy apps (e.g., art analysis).
Fine-tuning matters more than size	The hi suffix (qx86-hi) correlates with gains in 5+ benchmarks vs base models (e.g., mxfp4 → qx86-hi).
```

✅ Quick Decision Guide: Which SR-Scientist variant to choose?
```bash
Use Case	                    Best Model	            Why
Scientific reasoning / law	    SR-Scientist-qx86-hi	Best balance of abstract logic, image comprehension & causal retention
Formal proofs / pure deduction	SR-Scientist-mxfp4	    Highest BoolQ score → gold standard for Boolean chains
Education / explanatory tasks	SR-Scientist-qx86-hi	Strong OpenBookQA + Winogrande → great at teaching "why" things happen
Real-world problem-solving	    SR-Scientist-qx86-hi	Wins in ARC, PIQA & Winogrande → handles messy complexity best
```
⚠️ Avoid SR-Scientist-mxfp4 if you need strong visual reasoning (e.g., medical imaging, design), as it lags in Winogrande by 0.022 vs qx86-hi.

🔚 Final Summary

While Qwen3-YOYO variants dominate the leaderboard overall (especially in creativity/factual recall), among SR-Scientist models:
- qx86-hi is the most versatile for practical cognitive tasks (scoring highest in 4/6 benchmarks).
- mxfp4 is the purest logic specialist but risks failing with images or messy real-world scenarios.
- qx64-hi serves as a competent middle ground with modest gains over base models.

Pro recommendation: For most general applications → pick SR-Scientist-qx86-hi. It’s the only model here that simultaneously excels at abstract patterns, visual reasoning, and causal storytelling — making it the most human-like across all tasks.

> Reviewed by [Qwen3-8B-DND-Almost-Human-B-e32-mlx](https://huggingface.co/nightmedia/Qwen3-8B-DND-Almost-Human-B-e32-mlx)

This model [SR-Scientist-30B-mxfp4-mlx](https://huggingface.co/SR-Scientist-30B-mxfp4-mlx) was
converted to MLX format from [GAIR/SR-Scientist-30B](https://huggingface.co/GAIR/SR-Scientist-30B)
using mlx-lm version **0.28.2**.

## Use with mlx

```bash
pip install mlx-lm
```

```python
from mlx_lm import load, generate

model, tokenizer = load("SR-Scientist-30B-mxfp4-mlx")

prompt = "hello"

if tokenizer.chat_template is not None:
    messages = [{"role": "user", "content": prompt}]
    prompt = tokenizer.apply_chat_template(
        messages, add_generation_prompt=True
    )

response = generate(model, tokenizer, prompt=prompt, verbose=True)
```