NNGPT: Rethinking AutoML with Large Language Models

Fuente: arXiv
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Main Authors: Kochnev, Roman, Khalid, Waleed, Uzun, Tolgay Atinc, Zhang, Xi, Dhameliya, Yashkumar Sanjaybhai, Qin, Furui, Vysyaraju, Chandini, Duvvuri, Raghuvir, Goyal, Avi, Ignatov, Dmitry, Timofte, Radu
Format: Preprint
Published: 2025
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author Kochnev, Roman
Khalid, Waleed
Uzun, Tolgay Atinc
Zhang, Xi
Dhameliya, Yashkumar Sanjaybhai
Qin, Furui
Vysyaraju, Chandini
Duvvuri, Raghuvir
Goyal, Avi
Ignatov, Dmitry
Timofte, Radu
author_facet Kochnev, Roman
Khalid, Waleed
Uzun, Tolgay Atinc
Zhang, Xi
Dhameliya, Yashkumar Sanjaybhai
Qin, Furui
Vysyaraju, Chandini
Duvvuri, Raghuvir
Goyal, Avi
Ignatov, Dmitry
Timofte, Radu
contents Building self-improving AI systems remains a fundamental challenge in the AI domain. We present NNGPT, an open-source framework that turns a large language model (LLM) into a self-improving AutoML engine for neural network development, primarily for computer vision. Unlike previous frameworks, NNGPT extends the dataset of neural networks by generating new models, enabling continuous fine-tuning of LLMs based on closed-loop system of generation, assessment, and self-improvement. It integrates within one unified workflow five synergistic LLM-based pipelines: zero-shot architecture synthesis, hyperparameter optimization (HPO), code-aware accuracy/early-stop prediction, retrieval-augmented synthesis of scope-closed PyTorch blocks (NN-RAG), and reinforcement learning. Built on the LEMUR dataset as an audited corpus with reproducible metrics, NNGPT emits from a single prompt and validates network architecture, preprocessing code, and hyperparameters, executes them end-to-end, and learns from result. The PyTorch adapter makes NNGPT framework-agnostic, enabling strong performance: NN-RAG achieves 73% executability on 1,289 targets, 3-shot prompting boosts accuracy on common datasets, and hash-based deduplication saves hundreds of runs. One-shot prediction matches search-based AutoML, reducing the need for numerous trials. HPO on LEMUR achieves RMSE 0.60, outperforming Optuna (0.64), while the code-aware predictor reaches RMSE 0.14 with Pearson r=0.78. The system has already generated over 5K validated models, proving NNGPT as an autonomous AutoML engine. Upon acceptance, the code, prompts, and checkpoints will be released for public access to enable reproducibility and facilitate community usage.
format Preprint
id arxiv_https___arxiv_org_abs_2511_20333
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle NNGPT: Rethinking AutoML with Large Language Models
Kochnev, Roman
Khalid, Waleed
Uzun, Tolgay Atinc
Zhang, Xi
Dhameliya, Yashkumar Sanjaybhai
Qin, Furui
Vysyaraju, Chandini
Duvvuri, Raghuvir
Goyal, Avi
Ignatov, Dmitry
Timofte, Radu
Artificial Intelligence
Machine Learning
Neural and Evolutionary Computing
Building self-improving AI systems remains a fundamental challenge in the AI domain. We present NNGPT, an open-source framework that turns a large language model (LLM) into a self-improving AutoML engine for neural network development, primarily for computer vision. Unlike previous frameworks, NNGPT extends the dataset of neural networks by generating new models, enabling continuous fine-tuning of LLMs based on closed-loop system of generation, assessment, and self-improvement. It integrates within one unified workflow five synergistic LLM-based pipelines: zero-shot architecture synthesis, hyperparameter optimization (HPO), code-aware accuracy/early-stop prediction, retrieval-augmented synthesis of scope-closed PyTorch blocks (NN-RAG), and reinforcement learning. Built on the LEMUR dataset as an audited corpus with reproducible metrics, NNGPT emits from a single prompt and validates network architecture, preprocessing code, and hyperparameters, executes them end-to-end, and learns from result. The PyTorch adapter makes NNGPT framework-agnostic, enabling strong performance: NN-RAG achieves 73% executability on 1,289 targets, 3-shot prompting boosts accuracy on common datasets, and hash-based deduplication saves hundreds of runs. One-shot prediction matches search-based AutoML, reducing the need for numerous trials. HPO on LEMUR achieves RMSE 0.60, outperforming Optuna (0.64), while the code-aware predictor reaches RMSE 0.14 with Pearson r=0.78. The system has already generated over 5K validated models, proving NNGPT as an autonomous AutoML engine. Upon acceptance, the code, prompts, and checkpoints will be released for public access to enable reproducibility and facilitate community usage.
title NNGPT: Rethinking AutoML with Large Language Models
topic Artificial Intelligence
Machine Learning
Neural and Evolutionary Computing
url https://arxiv.org/abs/2511.20333