Building the Future of Intelligence.

TAI Research explores and develops artificial intelligence systems to benefit humanity. We offer AI services to public and we also build, open-source, and ship research previews for the community.

Experience TAI Sigma Chat Explore Research

Latest Open Source Release
ESFT GTC-2 — Release
Weights available on Hugging Face · MIT License
Model on Hugging Face Repository

Products

Deployments and demos built from our research.

TAI Sigma Chat

A conversational website showcasing the GTC Series Language Models. You can access different models with an account or just start using our models instantly.

Try TAI Sigma Chat

Sigma Series

Domain-specific expert models: Sigma-Gobang, Sigma-Paint, Sigma-Prove, and more.

Try Sigma Gobang

Developer Platform

APIs and developer tools (coming soon). Sign up for early access.

Research

Public research projects, papers, and open-source releases.

GTC Series

Generative Trained Chatbot family — from GTC-1 to GTC-2. See model cards and checkpoints on Hugging Face.

View models

SGNN: Synaptic-pruning and Genetic Neural Network

Experimental algorithms: SGNN.

Repository

News

2025-11-14 — ESFT GTC-2 Open Source
We are back after a long pause. Weights and repository published.
2025-10-04 — Introducing Sigma Gobang 2!
The previous Sigma Gobang Turbo is too slow, so we create a new one ------ Sigma Gobang 2.
2025-10-01 — Introducing ESFT GTC-2!
An Early Supervised Fine-Tuned GTC-2 model for improved conversational performance.
2025-09-30 — Sigma Gobang Turbo is now avaliable.
We enhanced the algorithm of Sigma Gobang and built the Sigma Gobang Turbo.
2025-09-26 — Introducing Sigma Gobang online!
You can now access the Sigma Gobang online!
2025-09-21 — We now offer two new models for developers: GTC-2 Large mini and GTC-2 Large nano
Developers can now visit Hugging Face to download these two models. The two models have the performance of the approximate GTC-2 Large while reducing the parameter size.
2025-09-20 — TAI Sigma Chat is now equipped with account login and conversation history.
Users can explore the chat freely without an account, or choose to register and log in to unlock persistent conversation history. This marks a step forward in making TAI Sigma Chat not only a research demo, but also a growing platform for interactive intelligence.
2025-09-19 — GTC-2 Large Base Model Launched
Weights and repository published. Public beta available on the demo site.
2025-09-09 — Multi-model switching is now available!
You can now select different models and experience them.
2025-09-07 — Introducing TAI Sigma Chat!
Start using our models instantly!

Developers

Tools, API docs, SDKs and examples to help you integrate our models.

API (coming soon)

A lightweight API to call GTC/Sigma models. Start with limited-tier access for research and prototyping.

Request Access

Open Source

All public repositories, model cards, and checkpoints. Contributions welcome.

GitHub

Support

TAI Research is a student-run research team. Your support helps us access compute and accelerate research.

Patron — Pro

Monthly support plans to get more access and early previews.

Support on AfDian

Contact

TAI-Research@outlook.com

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