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About

Second Brain is an AI-powered research, planning, and productivity platform that lets you build an “AI visual board”—a knowledge base where you can upload documents, articles, videos, audio, GitHub repos, websites, ChatGPT responses, and more, then interact conversationally with all your content. Backed by GPT‑4.5, Claude, Grok 3, DeepSeek R1, and similar top-tier AI models, Second Brain enables instant summarization, searchable Q&A, multilingual interaction (e.g., chat in English with Spanish content), and automated transformation of text into natural, undetectable human‑sounding copy. You can save AI chat responses as richly formatted, shareable pages, then continue building on them with headings, to‑do lists, images, code blocks, or links. A Chrome extension lets you capture web pages, text, images, screenshots, and ChatGPT outputs in one click for instant organization.

About

T3 Chat is the fastest AI chat app ever made, delivering responses 2x faster than ChatGPT and 10x faster than DeepSeek. It offers access to a wide range of top AI models, including Claude 3.5 Sonnet, GPT-4o, DeepSeek V3, and more, allowing users to switch between them instantly. It features a clean, intuitive chat interface designed for efficient conversations. T3 Chat's architecture emphasizes speed and user experience, with a local-first approach that stores data on the user's device for faster access. T3 Chat has undergone a complete redesign, enhancing its visual appeal and functionality, including the addition of light mode and improved syntax highlighting. T3 Chat is ideal for users seeking a fast, efficient, and visually appealing AI chat experience.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Researchers, creators, solopreneurs, marketers, and developers needing a tool to capture, organize, and interact with diverse content using AI to accelerate insights, creativity, and productivity

Audience

Developers and tech enthusiasts wanting a tool offering AI interactions within a sleek and responsive chat interface

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$6 per month
Free Version
Free Trial

Pricing

$8 per month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SecondBrain
United States
www.thesecondbrain.io

Company Information

T3 Chat
Founded: 2021
United States
t3.chat/

Alternatives

Alternatives

Yatter

Yatter

Infokey Technology Private Limited
DeepSeek Coder

DeepSeek Coder

DeepSeek

Categories

Categories

Integrations

Claude Sonnet 3.7
GPT-4.1
GPT-4.1 mini
ChatGPT
Claude
Claude Sonnet 3.5
DeepSeek R1
GPT-4.1 nano
GPT-4.5
GPT-Image-1
Gemini 2.0 Flash
Gemini 2.5 Flash
Gemini 2.5 Pro
GitHub
Grok 3
Instagram
OpenAI o3-mini
OpenAI o4-mini
OpenAI o4-mini-high
YouTube

Integrations

Claude Sonnet 3.7
GPT-4.1
GPT-4.1 mini
ChatGPT
Claude
Claude Sonnet 3.5
DeepSeek R1
GPT-4.1 nano
GPT-4.5
GPT-Image-1
Gemini 2.0 Flash
Gemini 2.5 Flash
Gemini 2.5 Pro
GitHub
Grok 3
Instagram
OpenAI o3-mini
OpenAI o4-mini
OpenAI o4-mini-high
YouTube
Claim SecondBrain and update features and information
Claim SecondBrain and update features and information
Claim T3 Chat and update features and information
Claim T3 Chat and update features and information