One IA
Try One IA

Every great AI.
One conversation.

Chat, write, code and create images with the world's best models — on your phone and your computer.

Start chatting free
New: generate images right inside your chat.
Auto (best for each question)
Mistral Large
Mistral Small
Claude Sonnet 4.5
GPT-4o mini
Gemini 2.5 Flash
Code — GPT Codex
Code — Qwen3 Coder
Llama 3.3 70B
DeepSeek V3

One assistant for
everything you do.

BrainstormingWritingTranslationResearchImage generationSummariesLearningCodePlanningEmailsAnalysisCreative ideas
What would you like to do today?
Summarize my unread emails
Draft a business plan for a café
Write a script to rename my photos

Ask anything.
Get real work done.

Write emails, plan projects, learn new topics, debug code. Answers stream in live and every conversation is saved for later.

Open the chat

Describe it.
See it.

Switch to image mode and type an idea. One IA draws it in seconds — download it in one tap from “My files”.

Explore features
sunset-over-paris.png
One IA
Quick dinner ideas?

1. Garlic pasta
2. Herb omelette
3. Chicken wraps

Message…

One IA in your pocket.

  1. 1. Open One IA on your phone.
  2. 2. Tap “Install app” or “Add to Home Screen”.
  3. 3. Launch it from the icon, like any app.

Go further.

Features

Everything One IA can do: chat, images, history, files and more.

Models

Mistral, Claude, GPT, Gemini, Llama and DeepSeek — pick the right brain.

Pricing

Start free. Upgrade only when you need more power.

Start thinking with One IA.

Free, no credit card. Install it on your phone in two taps.

Get started free