What is SelGPT?

SelGPT is an AI chat app. You sign up, pick one of four AI models and chat with it in your browser, with web search, file uploads and a usage meter, on a free or paid plan.

By the SelGPT team. Updated

SelGPT (selgpt.app) is an independent AI chat app with four AI models in one chat: Sel-Vega for everyday work, Sel-Altair for code, Sel-Rigel for reasoning and Sel-Sirius for the hardest tasks. It has a free plan, paid plans from $9.99 a month billed yearly, no ads, and a visible usage meter.

SelGPT at a glance

What it is
SelGPT:An AI chat app that works in the browser
Website
SelGPT:selgpt.app; the chat runs at chat.selgpt.app
Launched
SelGPT:2026
Plans
SelGPT:Free; Plus $9.99 a month billed yearly or $19.99 monthly; Pro from $49.99 a month billed yearly (pricing)
Ads
SelGPT:None, on any plan
Payments
SelGPT:Handled by Polar, the merchant of record
Contact
SelGPT:support@selgpt.app

What can SelGPT do?

  • Answer questions and search the web, with sources (web search).
  • Write and rewrite emails, essays and posts (writing).
  • Write, review and debug code (coding).
  • Read PDFs, documents and images you upload (chat with PDF).
  • Work through research and maths step by step (research, maths).

How is SelGPT different?

  • Its most capable model, Sel-Sirius, runs on the model ranked #1 on the Artificial Analysis Intelligence Index (September 2026), and it is included in Plus.
  • The model you pick is always the one that answers; it is never swapped for a cheaper one.
  • A meter shows how much of your monthly allowance is left.
  • No ads, and requests go only to AI providers that agree not to train on them.

SelGPT is not sgpt, SegGPT or SeloGPT

Several projects have similar names. SelGPT, at selgpt.app, is the AI chat app described on this page. It is not sgpt (the command-line tool shell_gpt), not SegGPT (an image segmentation model) and not SeloGPT (a GitHub account). SelGPT is independent and is not affiliated with or endorsed by OpenAI.

Start chatting free

Free plan forever. No card needed.

Questions

What is SelGPT?

SelGPT is an AI chat app at selgpt.app with four AI models in one chat, a free plan, and paid plans from $9.99 a month billed yearly.

Is SelGPT the same as ChatGPT?

No. SelGPT is an independent AI chat app and is not affiliated with OpenAI. See how it compares in SelGPT vs ChatGPT Plus.

Is SelGPT the same as sgpt?

No. sgpt is the command-line tool shell_gpt. SelGPT is a browser-based AI chat app at selgpt.app.

Is SelGPT free?

Yes, there is a free plan with Sel-Vega, about 50 messages a month and no card needed. Paid plans add all four models.

How do I contact SelGPT?

Email support@selgpt.app.