# SelGPT > SelGPT (selgpt.app) is an AI chat app with the top AI models in one place: GPT-6.1, Claude Opus 5.5, Gemini 4 Argon, Kimi K3, DeepSeek and more. Also written: Sel GPT, SelGPT AI, selgpt.app. GPT-6.1, Claude Opus 5.5, Gemini, Kimi, DeepSeek and more in one chat, from $15.99 a month. Including Claude Opus 5.5, ranked #1 in the world. No ads, no hidden limits. ## Models - GPT-6 Luna by OpenAI (Everyday, unlimited): Quick answers, writing, and reading the files and images you share. Included in: Unlimited on Plus and Pro. - Claude Opus 5.5 by Anthropic (Ranked #1): For work that has to be right the first time: contracts, hard code, careful writing. Included in: Plus and above. - GPT-6.1 Sol by OpenAI (Flagship): Strong all-rounder for writing, analysis and code. Included in: Plus and above. - Gemini 4 Argon by Google (Newest): Google’s newest frontier model, for hard problems and long, multi-step tasks. Included in: Plus and above. - Gemini 3.8 Flash by Google (Research): Fast, and good with long documents and research questions. Included in: Plus and above. - Kimi K3 by Moonshot AI (Deep reasoning): Works through hard, multi-step problems before it answers. Included in: Plus and above. - Plus DeepSeek V4.1 Flash, Claude Sonnet 5.5, MiMo V2.6 Pro, GLM-5.3 and Qwen3.8 Max under Other models. - Free plan: Sel-Lyra, Sel-Nova and Sel-Mira, lighter models with about 60 messages a month. ## Plans - Free (free): Try SelGPT for everyday questions. Sel-Lyra, Sel-Nova and Sel-Mira, about 60 messages a month, Upload 3 files or images a day. - Plus ($15.99 a month billed yearly or $19.99 monthly): Every top model, for serious work. Unlimited GPT-6 Luna, Claude Opus 5.5, GPT-6.1 Sol, Gemini 4 Argon, Gemini 3.8 Flash, Kimi K3 and more from a monthly allowance, About 80 Claude Opus 5.5 or 400 Gemini 3.8 Flash messages a month, Upload 50 files or images a day, Research mode: 5 research reports a day, cited from academic papers, Compare: GPT, Claude and Gemini each answer the same question, side by side, Council: GPT, Claude and Gemini answer, then one synthesis shows where they agree. - Pro (5× Plus: $79.99 a month billed yearly or $99.99 monthly; 15× Plus: $159.99 a month billed yearly or $199.99 monthly): For people who use AI all day. Unlimited GPT-6 Luna, 5× the Plus allowance, About 400 Claude Opus 5.5 messages a month, Unlimited uploads, Research mode: 20 standard and 5 deep research reports a day, Compare: GPT, Claude and Gemini each answer the same question, side by side, Council: GPT, Claude and Gemini answer, then one synthesis shows where they agree. ## Questions ### What is SelGPT? SelGPT (selgpt.app) is an AI chat app with the top AI models in one place: GPT-6.1 and GPT-6 Luna from OpenAI, Claude Opus 5.5 and Sonnet 5.5 from Anthropic, Gemini 4 Argon and Gemini 3.8 Flash from Google, Kimi K3, DeepSeek, MiMo, GLM and Qwen. Every answer can search the web and cite its sources. ### How is SelGPT different from ChatGPT? In SelGPT the model you pick is always the one that answers, and a live meter shows how much of your allowance is left. There are no ads on any plan, including Free, and your chats go only to providers that agree not to train on them. And you are not limited to OpenAI: Claude Opus 5.5, ranked #1 on the Artificial Analysis Intelligence Index, Gemini, Kimi and more are included in Plus from $15.99 a month. ### Which AI models does SelGPT use? Paid plans include GPT-6 Luna, Claude Opus 5.5, GPT-6.1 Sol, Gemini 4 Argon, Gemini 3.8 Flash and Kimi K3, plus DeepSeek V4.1 Flash, Claude Sonnet 5.5, MiMo V2.6 Pro, GLM-5.3 and Qwen3.8 Max. You pick the one that fits the task, and you can switch in the middle of a conversation. ### Is SelGPT free? Yes. The Free plan includes three lighter models, Sel-Lyra, Sel-Nova and Sel-Mira, with about 60 messages a month and needs no card. Plus starts at $15.99 a month billed yearly and adds every top model. ### How do the usage limits work? Paid plans include unlimited GPT-6 Luna within fair use, plus a monthly allowance for every other model. SelGPT shows how much of it you have used as a percentage, and it resets every month. ### Does SelGPT train AI models on my chats? No. Your requests go only to providers that agree not to train on them, and SelGPT never sells your data or shows ads. ### Can I cancel at any time? Yes. You keep your plan until the end of the period you paid for, then move to the Free plan with your chat history intact. ## Links - [Home and plans](https://selgpt.app/) - [Create a free account](https://selgpt.app/register) - [Sign in](https://selgpt.app/login) ## Pages Every page below is also available as Markdown: add .md to its URL (the home page is https://selgpt.app/index.md), or request it with Accept: text/markdown. The whole site in one file: https://selgpt.app/llms-full.txt - [Pricing](https://selgpt.app/pricing): SelGPT plans: Free, Plus from $15.99 a month billed yearly, and Pro. Every top AI model, unlimited GPT-6 Luna, no ads. - [Contact](https://selgpt.app/contact): Contact SelGPT at support@selgpt.app for help with your account, billing, privacy requests or anything else. - [About SelGPT](https://selgpt.app/about): SelGPT is an AI chat app with every top AI model in one chat, from free to Pro. What it is, what it costs, who it is for, and how it differs from similar names. - [Terms of Service](https://selgpt.app/terms): The terms for using SelGPT: accounts, plans and billing, no refunds, usage limits, acceptable use and AI output. - [Privacy Policy](https://selgpt.app/privacy): How SelGPT handles your data: what we collect, the providers we use, no training on your chats, no ads, and your rights.