---
tags:
  - llm
  - mcp
---
Perplexity, 13 juni 2025

Prompt:`Is there a GGUF model that is particularly good at creating abstracts for documents in PDF format and assigning them to one of a number of predefined categories?

### Top GGUF Models for Summarization and Categorization

- **Llama-Chat-Summary-3.2-3B-GGUF**

A fine-tuned Llama 3.2 model optimized for context-aware summarization of long texts, documents, and conversations. It preserves critical points and creates concise summaries, making it ideal for abstracting lengthy reports or articles[^3_1].

- **Gemma 7B GGUF**

A lightweight, efficient model designed for summarization, question answering, and reasoning. It supports long context lengths (up to 8192 tokens) and can generate accurate summaries suitable for document abstraction[^3_3][^3_6].

- **Phi 3.5 Mini Instruct GGUF**

Supports very long context lengths (up to 128K tokens), enabling summarization of large documents. Its multilingual and reasoning capabilities make it a strong candidate for document summarization and classification tasks[^3_4].

- **CausalLM-7B-GGUF**

A versatile model capable of text summarization and content generation, which can be fine-tuned or prompted for categorization tasks as well[^3_5].

### How to Use for PDF Documents

- Extract text from PDFs using tools like `pdfplumber` or `PyMuPDF`.
- Feed extracted text chunks into these GGUF models for summarization.
- Use prompt templates or fine-tuning to classify summaries into your predefined categories.

### Summary

| Model Name                 | Size | Key Strengths                     | Context Length | Notes                        |
| :------------------------- | :--- | :-------------------------------- | :------------- | :--------------------------- |
| Llama-Chat-Summary-3.2-3B  | 3.2B | Context-aware summarization       | Moderate       | Fine-tuned for summarization |
| Gemma 7B GGUF              | 7B   | Summarization, reasoning          | 8192 tokens    | Lightweight, efficient       |
| Phi 3.5 Mini Instruct GGUF | 3.8B | Long document summarization       | 128K tokens    | Handles very long texts      |
| CausalLM-7B-GGUF           | 7B   | Summarization, content generation | Moderate       | Versatile, fine-tunable      |
  

These GGUF models are currently among the best for summarization tasks and can be adapted for categorization with proper prompt design or fine-tuning. The Llama-Chat-Summary-3.2-3B-GGUF model is particularly focused on generating concise, context-aware abstracts[^3_1]. For very long documents, Phi 3.5 Mini Instruct GGUF’s extended context window is advantageous[^3_4].

If you want a ready-to-use model, start with Llama-Chat-Summary-3.2-3B-GGUF or Gemma 7B GGUF and implement classification via prompting or additional fine-tuning.

[^3_1]: https://huggingface.co/Triangle104/Llama-Chat-Summary-3.2-3B-Q4_K_M-GGUF
[^3_2]: https://www.reddit.com/r/LocalLLaMA/comments/1891o5m/whats_the_best_llm_for_summarization_of_long/
[^3_3]: https://huggingface.co/LoneStriker/gemma-7b-GGUF
[^3_4]: https://dataloop.ai/library/model/quantfactory_phi-35-mini-instruct-gguf/
[^3_5]: https://www.aimodels.fyi/models/huggingFace/causallm-7b-gguf-thebloke
[^3_6]: https://dataloop.ai/library/model/litellms_gemma-7b-gguf/
[^3_7]: https://www.ibm.com/think/topics/gguf-versus-ggml
[^3_8]: https://docs.vllm.ai/en/v0.9.0/features/quantization/gguf.html