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README.md
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---
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tags:
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- moe
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- minimax
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- bfloat16
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- sglang
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- gguf
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license: mit
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datasets:
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- nick007x/github-code-2025
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- tatsu-lab/alpaca
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base_model:
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- MiniMaxAI/MiniMax-M2
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---
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# THRIFT — Targeted Reduction for Inference and Fine-Tuning
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A performance-optimized variant of the base model that delivers faster responses and lower memory usage while preserving quality for everyday tasks, developed by VibeStud.io.
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## TLDR
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We, over-caffinated researchers at VibeStud.io wanted to create a 50% pruned version of the SOTA MiniMax M2 that is best suited for local/air-gapped coding. This version we achieved \~25%. A 50% pruned version is under development while a not so sucky team of ours is working on a 50% pruned version of Kimi K2 Thinking. Check back later, cheers\!
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## Why it’s useful
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* **Lower latency:** Snappier responses for interactive apps and chatbots.
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* **Smaller memory footprint:** Runs on cheaper GPUs or with fewer resources per replica.
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* **Higher throughput:** Serve more concurrent users at the same cost.
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* **Deployment-friendly:** Drop-in replacement for the base model in most inference stacks.
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* **Adaptable:** Supports light fine-tuning to match your domain and style guidelines.
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## Intended use
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* General chat and coding assistance
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* Enterprise assistants with strict latency/VRAM budgets
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* Batch or realtime serving in cloud and on-prem environments
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* Edge or cost-sensitive deployments where efficiency matters
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## When to use it
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* You’re constrained by GPU memory or need shorter response times
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* You want to increase QPS without scaling infrastructure
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* You need a model that is “good enough” for most tasks at a better cost profile
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---
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# Model Comparison Report
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**Models Under Evaluation**
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| Model | Type |
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| :---- | :---- |
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| ModelCloud/MiniMax-M2-BF16 | Base Model |
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| VibeStudio/MiniMax-M2-THRIFT | Compressed/Optimized |
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**Evaluation Date: November 7, 2025**
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## 📊 Results Comparison
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### 1\) Multiple Choice Q\&A (lm-eval)
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**Overall MMLU Performance**
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| Model | MMLU Overall | Humanities | STEM | Social Sciences | Other |
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| :---- | ----: | ----: | ----: | ----: | ----: |
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| MiniMax-M2-BF16 | 83.16% | 77.45% | 80.91% | 90.02% | 87.29% |
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| MiniMax-M2-THRIFT | 77.72% | 70.14% | 77.61% | 86.84% | 80.27% |
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| **Δ (Difference)** | **\-5.44%** | **\-7.31%** | **\-3.30%** | **\-3.18%** | **\-7.02%** |
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**Individual Task Performance**
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| Task | BF16 (Base) | THRIFT-BF16 | Difference |
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| :---- | ----: | ----: | ----: |
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| arc\_challenge | 73.21% | 61.01% | \-12.20% ⬇️ |
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| arc\_easy | 88.30% | 83.08% | \-5.22% ⬇️ |
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| boolq | 87.95% | 84.95% | \-3.00% ⬇️ |
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| hellaswag | 83.00% | 77.09% | \-5.91% ⬇️ |
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| mmlu | 83.16% | 77.72% | \-5.44% ⬇️ |
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| openbookqa | 48.60% | 43.00% | \-5.60% ⬇️ |
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| rte | 75.45% | 80.14% | **\+4.69% ⬆️** |
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| winogrande | 76.48% | 74.90% | \-1.58% ⬇️ |
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**Average Accuracy Drop: \-4.28%**
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### 2\) Code Generation (EvalPlus)
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**MBPP Results**
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| Model | MBPP (base) | MBPP+ (extended) |
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| :---- | ----: | ----: |
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| MiniMax-M2-BF16 | 73.8% | 64.0% |
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| MiniMax-M2-THRIFT | 🔄 Coming Soon | 🔄 Coming Soon |
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**HumanEval Results**
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| Model | HumanEval (base) | HumanEval+ (extended) |
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| :---- | ----: | ----: |
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| MiniMax-M2-BF16 | ✅ Complete | ✅ Complete |
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| MiniMax-M2-THRIFT | 🔄 Coming Soon | 🔄 Coming Soon |
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### 3\) Math Benchmarks
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**GSM8K Results**
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| Model | Accuracy | Problems |
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| :---- | ----: | ----: |
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| MiniMax-M2-BF16 | 92.72% | 1,319 |
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| MiniMax-M2-THRIFT | 🔄 Coming Soon | 1,319 |
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**MATH-500 Results**
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| Model | Overall | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 |
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| :---- | ----: | ----: | ----: | ----: | ----: | ----: |
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| MiniMax-M2-BF16 | 87.2% | 90.7% | 95.56% | 82.86% | 85.16% | 85.82% |
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| MiniMax-M2-THRIFT | 🔄 Coming Soon | 🔄 | 🔄 | 🔄 | 🔄 | 🔄 |
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### 4\) LiveCodeBench (Live Coding Problems)
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| Model | pass@1 | Problems | Status |
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| :---- | ----: | ----: | :---- |
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| **MiniMax-M2-BF16** | **35.71%** | 182 | ✅ Complete |
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| **MiniMax-M2-THRIFT** | 🔄 Coming Soon | 182 | ⏳ Not Started Yet |
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---
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## 📈 Analysis (Preliminary)
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### Key Findings
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**MMLU Performance Drop**
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* THRIFT-BF16 shows **\-5.44%** overall MMLU drop
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* Largest drop: **arc\_challenge (-12.20%)**
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* Smallest drop: **winogrande (-1.58%)**
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* **RTE improved by \+4.69%** 🎉
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**Subject-Specific Performance**
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* Best preservation: **Social Sciences (-3.18%)**
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* Most degraded: **Other (-7.02%)**
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* STEM: **Moderate drop (-3.30%)**
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**Compression Trade-off**
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* THRIFT-BF16 (compressed) vs BF16 (base)
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* Average accuracy loss: **\~4–5%**
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* Expected for compressed/quantized models
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**MMLU Category Breakdown**
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| Category | BF16 (Base) | THRIFT-BF16 | Difference | Status |
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| :---- | ----: | ----: | ----: | :---- |
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| High School Government | 97.93% | 94.82% | \-3.11% | ✅ Still Excellent |
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| High School Psychology | 95.41% | 93.58% | \-1.83% | ✅ Well Preserved |
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| Marketing | 95.73% | 91.88% | \-3.85% | ✅ Good |
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| Professional Medicine | 92.28% | 79.78% | \-12.50% | ⚠️ Notable Drop |
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| Clinical Knowledge | 92.83% | 85.66% | \-7.17% | ⚠️ Moderate Drop |
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---
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## Benchmarks
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Coming soon.
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## Research paper
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Coming soon.
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---
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## License
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This model is derived from MiniMax-M2 and distributed under the MIT License [http://github.com/MiniMax-AI/MiniMax-M2/blob/main/LICENSE](http://github.com/MiniMax-AI/MiniMax-M2/blob/main/LICENSE)
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---
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## Credits
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Model conversion and HF Transformers code by @Qubitum at ModelCloud.
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Positive references to related work:
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* Cerebras — [https://arxiv.org/abs/2510.13999](https://arxiv.org/abs/2510.13999)
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* Alibaba Cloud Computing — [https://arxiv.org/html/2511.01354v1](https://arxiv.org/html/2511.01354v1)
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* QLoRA — [https://arxiv.org/abs/2307.02973](https://arxiv.org/abs/2307.02973)
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