What Gab AI is
Gab AI lets you create and chat with AI characters that answer any question and generate impressive images on request. The application runs exclusively as an online service, completely free of charge, combining a conversational chatbot feature with the ability to create your own personalized AI characters, with whom you can hold conversations tailored to a chosen personality or subject matter.
Key features and functionality
The ability to create custom AI characters sets Gab AI apart from simple chatbots offering only one, universal conversation style - the user can define the personality, tone, and specialization of the character they'll be talking to, tailoring the experience to their own preferences or a specific use case. The image generation feature extends the platform's capabilities beyond text conversation, letting users create graphics from text descriptions within the same interface used to converse with a chosen AI character. The flexibility to create many different characters means a user can have separate characters tailored to different purposes - one for work-related conversations, another for creative writing, yet another for entertainment - instead of being limited to one universal assistant. A completely free access model, with no paid tier whatsoever, lowers the barrier to entry to zero, letting anyone start experimenting with creating their own AI characters immediately.
Who it's for
Gab AI is aimed primarily at people looking for a more personalized, creative conversational experience with AI than a standard, uniform chatbot. Content creators and people interested in worldbuilding use the character creation feature to experiment with different personalities and narrative styles. Users interested in image generation alongside text conversation appreciate that Gab AI combines both features in one free tool, instead of forcing them to use separate apps for each. People who value full freedom to experiment without financial constraints choose Gab AI for its completely free access model, enabling unlimited testing of different characters and conversation styles.
Use cases
A user interested in creative writing creates a character in Gab AI with a defined personality and backstory, holding conversations with it that inspire further development of their own literary work. Someone needing a quick answer to a specific technical or practical question uses one of the ready-made AI characters to get instant help without creating their own personalized version. A visual content creator generates images directly in Gab AI from text descriptions, using the same platform for conversation and graphic creation. People experimenting with different communication styles create multiple distinct AI characters, testing which one best suits their needs in a given context.
Pricing and business model
Gab AI is entirely free, with no paid subscription tier whatsoever, setting it apart from most competing tools that combine conversation with image generation, which usually offer a limited free version and a paid plan with expanded limits. This model may stem from an alternative source of funding for the platform, not directly tied to user fees for access to core chat and image generation functionality.
Comparison with SumizAI
Gab AI and SumizAI offer different approaches to interacting with artificial intelligence. Gab AI focuses on creating personalized AI characters and generating images, offering a creative, flexible conversational experience. SumizAI, by contrast, is a platform aggregating multiple major AI model providers at once, letting answers from ChatGPT, Claude, or Gemini be compared for the same question. A user interested in creating custom AI characters and generating images might choose Gab AI, while people wanting to compare answers from major commercial AI models on specific questions will naturally reach for SumizAI.
AI notes from conversations with AI characters
Gab AI users holding extensive conversations with characters they've created often copy the most interesting fragments of those conversations as ai notes into a separate writing tool, using them as inspiration or source material for further creative work. Because Gab AI lets multiple different characters be created, users can keep separate sets of ai notes for each one, maintaining tone and personality consistency within a given, personalized conversation context. Free access to the platform means experimenting with different characters to generate valuable ai notes carries no financial risk, encouraging free exploration. Being able to generate images in the same place means ai notes can combine text with accompanying artwork, which can be valuable when working on visual material.
| Price | Free |
|---|---|
| Licence | Proprietary |
| Category | AlternativeTo does not say |
| Origin | AlternativeTo does not say |
| Platforms | Online |
What SumizAI is
A note-taking application built around a conversation with an AI model. You ask a question, the answer streams back, and the answers worth keeping become Markdown notes — filed into a vault that is a folder on your own disk.
A vault is a directory holding base.md, a generated table of contents up to six levels deep, and a notes/ folder with one .md file per note. Before a note is written it is checked against the ones already there, so the fourth note about the same idea gets merged instead of added. Links between notes are ordinary Markdown links to files that exist.
The model is never ours: you bring your own API key to one of seven providers — Anthropic, OpenAI, Gemini, Groq, OpenRouter, a local Ollama or your own server — and pay that provider directly. A question sends the table of contents plus at most five relevant notes within a 24,000-character budget, and the app shows you which five it used.
Every answer kept this way becomes one of these ai notes, ready to search again months later without hunting back through old chats.
Side by side
| Side by side | SumizAI | Gab AI |
|---|---|---|
| Price | $1/month, one plan, 7-day trial without a card | Free |
| Licence | Proprietary | Proprietary |
| Platforms | macOS, Windows, iOS, Android | Online |
| Category | Note-taking — AI chat into Markdown | AlternativeTo does not say |
| Where notes live | Standard .md files in a folder you choose | AlternativeTo does not say |
| AI model | Seven providers, always on your own API key | Its description mentions AI |
| Origin | Poland, EU | AlternativeTo does not say |
Where they differ
- Gab AI is a place to have the conversation. SumizAI is not a chatbot — the conversation is the input, not the product. What comes out of it is a
.mdfile with a title, a place inbase.mdand a duplicate check against the notes already in the vault. If you only want to talk to a model, you do not need SumizAI. - Gab AI is free and SumizAI costs a dollar a month after a seven-day trial that takes no card. A dollar is what it costs to run accounts and licences without reselling the model; if free is the requirement, Gab AI wins that row outright.
- AlternativeTo's description of Gab AI does not mention Markdown, so check what format your notes end up in before you fill it up. SumizAI writes standard
.mdfiles to a folder you picked, and an unpaid account can still export all of them. - Gab AI runs in the browser. SumizAI is a desktop and mobile application, and on the desktop the vault is a folder on your own disk rather than a document in someone's cloud.
Which one to pick
Reasons to pick Gab AI
- it costs nothing
- you need it to run in a browser
Reasons to pick SumizAI
- the notes you want already exist inside conversations with an AI model
- you want the filing — title, chapter, duplicate check — to happen without you
- you want the result as plain
.mdfiles in a folder you picked - you would rather pay your AI provider directly than have a note app resell the model
Facts about Gab AI: AlternativeTo, read 2026-08-16. SumizAI is not affiliated with Gab AI, and the name is used only to identify the product being compared.
Taken from the AlternativeTo lists: ChatGPT. Be sure to check out SumizAI's main competitor: obsidian alternative.