NLP Projects with Source Code

Natural Language Processing is one of the hottest areas in AI, and NLP projects consistently score the highest marks in academic evaluations. Our NLP collection covers text classification, sentiment analysis, chatbots, named entity recognition, text summarization, and question answering systems. Each project includes the full pipeline — text preprocessing, feature extraction, model training, and a web interface for testing. You'll find projects using both classical NLP (TF-IDF, word embeddings) and modern approaches (BERT, GPT, Hugging Face Transformers). Datasets are included, models are pre-trained, and the code handles the messy parts of text processing that tutorials gloss over.

Browse All Projects

CodeAj has 15+ NLP projects with full source code covering sentiment analysis, chatbots, NER, text summarization, and question answering. Uses NLTK, spaCy, and Hugging Face Transformers with pre-trained models. Includes datasets and web demos. From Rs.99.

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NLP Projects Across Every Text Task

Text data is messy — different encodings, slang, abbreviations, typos, and context-dependent meaning. Our NLP projects handle this reality with proper preprocessing pipelines that clean, tokenize, and encode text correctly.

Text Classification and Sentiment Analysis

Classification projects categorize news articles, detect spam emails, classify customer support tickets, and analyze product review sentiment. You'll see implementations using both traditional approaches (TF-IDF + Logistic Regression) and deep learning (BERT fine-tuning). Comparison code shows you when the simpler approach is good enough.

Chatbots and Conversational AI

Chatbot projects range from rule-based bots with intent matching to transformer-based conversational agents. Intent-based bots use NLTK for tokenization and scikit-learn for intent classification. Advanced bots use DialoGPT or fine-tuned T5 models. Each chatbot includes a web interface for live conversation.

Named Entity Recognition (NER)

NER projects extract person names, organizations, locations, dates, and custom entities from text. These use spaCy's NER pipeline, BiLSTM-CRF architectures, or fine-tuned BERT models. Projects include annotated datasets and scripts for training on your own entity types.

Text Summarization and Generation

Summarization projects implement both extractive (selecting key sentences) and abstractive (generating new text) approaches. They handle news articles, research papers, and long documents. Generation projects use GPT-2 or T5 models fine-tuned for specific domains.

Why Choose CodeAj

Complete Source Code

Get 100% working source code with clean architecture and documentation.

Free Setup Support

Our team helps you install and run the project on your machine at no extra cost.

Free Updates & Customization

Get free updates and affordable customization to match your requirements.

NLP Preprocessing Pipelines

Text preprocessing is where most NLP projects go wrong. Our code handles tokenization, stop word removal, lemmatization, and encoding in a pipeline class you can reuse. For transformer-based projects, the Hugging Face tokenizer handles subword tokenization automatically. Each project's preprocessing matches what the model expects.

Choosing Between Classical and Deep Learning NLP

For many text classification tasks, TF-IDF with a linear model gets you 85-90% accuracy with training times under a minute. BERT gets you 92-95% but takes hours to fine-tune. Our projects include both approaches so you can make an informed choice based on your accuracy requirements and compute budget.

Evaluation for NLP Tasks

NLP metrics go beyond accuracy. Our projects report precision, recall, F1-score per class, confusion matrices, and for NER projects, entity-level evaluation. For chatbots, we include human evaluation scripts and BLEU score computation. These evaluation outputs are ready for your project report.

NLP Projects FAQ

Projects use NLTK for tokenization and preprocessing, spaCy for NER and POS tagging, Hugging Face Transformers for BERT/GPT models, and Gensim for topic modeling and word embeddings. The choice depends on the task complexity.

Yes. We have rule-based chatbots with intent matching, retrieval-based bots, and generative chatbots using fine-tuned transformer models. Each includes a web chat interface where you can test the bot in real-time.

Classical NLP projects (TF-IDF, NLTK) run fine on CPU. Transformer-based projects (BERT, GPT) include pre-trained model files for CPU inference. If you want to fine-tune transformers, use the included Google Colab notebook with free GPU access.

Yes. Each project includes data loading scripts that accept CSV or JSON input. Replace the dataset file, update column names in the config, and run the training script. For NER projects, we include annotation guidelines and tools.

Need a Custom NLP Solution?

Describe your text analysis needs and we will recommend the right NLP project or build a custom solution.

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