AIcensus

César

Personal assistant

A personal agent you text on WhatsApp that shops, calls, fills in sites and brings your bills ready to pay.

Pricing
Freemium
Free tier
Yes
Category
Personal assistant
Platforms
Web
Type
Texting
Maker
César
Website
usecesar.com
Last checked
November 2, 2026

What it does

César is a personal AI agent from Brazil that you message on WhatsApp or Telegram, by text or voice note. It does the grocery run, calls businesses, messages people for you, logs into websites and fills in forms, finds things to do and brings you bills with the Pix payment ready on the due date. It can also track spending you tell it about. Your account starts with your first message, with no sign-up or app to install. Some actions ask for your confirmation first.

  • Works in WhatsApp and Telegram
  • Text or voice notes
  • Groceries and orders with Pix payment
  • Phone calls and messages on your behalf
  • Logs into sites and fills in forms
  • No sign-up: the account starts with your first message
  • Shops and places orders by chat
  • Calls businesses and messages people for you

Best for

Errands by WhatsApp in BrazilBills and groceries

The maker

César

“Send the message. He handles it.”In their words

Pricing

FreemiumFree tier

Free every month with 1 million César Tokens (about 160 conversations), no card. Basic is R$ 29.90 a month (4 million tokens) and Pro R$ 299 a year (7.5 million tokens a month); one-off tokens that never expire are also sold (official site, checked Nov 2, 2026).

PlanPrice
Free1 million César Tokens a month (about 160 conversations)$0month
Basic4 million César Tokens a monthR$ 29.90month
Pro7.5 million César Tokens a monthR$ 299year

Prices change. Confirm on the official site.

Runs on

WebWhatsAppTelegram

Runs on: Web, WhatsApp, Telegram. Not listed: iOS, Android, Mac, Windows, Linux, CLI, Chrome, SMS, API.

WhatsApp and Telegram, plus a web chat at chat.usecesar.com. In Portuguese and English.

Similar agents

MusePersonal agent in the Muse app and WhatsApp that takes on tasks and longer-term goals.ChatGPT dotsAlways-on agents that keep working on your goals and projects between chats.Grok BotAI teammates that keep working on tasks across apps and websites.OpenClawOpen-source personal assistant you run on your own devices and reach through messaging apps.

Sources

Last checked November 2, 2026

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César

Price
FreemiumFree every month with 1 million César Tokens (about 160 conversations), no card. Basic is R$ 29.90 a month (4 million tokens) and Pro R$ 299 a year (7.5 million tokens a month); one-off tokens that never expire are also sold (official site, checked Nov 2, 2026).
Runs on
Web
Checked
November 2, 2026
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