Siddharth Magesh
Open-source Python project

Sentimatrix

Multimodal sentiment intelligence, packaged for developers.

Aug 2024–Jun 2026

The developer problem

Sentiment-analysis workflows extend beyond running a classifier. Data has to be collected, prepared, analyzed, and exported in a useful form. Sentimatrix brings these responsibilities into a reusable Python package, with interfaces for programmatic use and application integration.

My engineering work connected asynchronous collection and analysis with cloud and local language-model integration, command-line and REST API interfaces, and structured exports. The package grew beyond its earlier competition prototype into a reusable developer tool.

My contribution

I worked on the Python package and its analysis workflows, including collection, sentiment and emotion processing, integration with language-model providers, and developer-facing interfaces. CLI and REST API access support different ways of using the analysis pipeline, while structured output makes results available to reporting and downstream applications.

Package design

The published package separates configuration, logging, caching, and pipeline orchestration from collection and model providers. Analysis and export sit above those components.

The package documentation includes asynchronous HTTP and browser-based collection, text sentiment and emotion analysis, audio transcription, and image captioning. It lists cloud providers such as OpenAI and Anthropic, and local interfaces including Ollama. Exports include JSON, CSV, Excel, HTML, and Markdown.

Evidence and use

Sentimatrix is published on PyPI. The package page links to its documentation and repository and provides examples for sentiment analysis, collection, and batch processing. Follow those versioned instructions for installation and API usage.

The public package demonstrates a distributable implementation. This page does not claim adoption numbers, a throughput advantage, or independently reproduced test coverage.

Limitations

Analysis depends on model choice, provider configuration, and input data. Collectors can depend on external service behavior. Package availability alone does not establish accuracy across languages, domains, or modalities; those require evaluation for the intended use.

Resources

Related work