What will you build today?
Chat with frontier models and run a coding agent — start right here, no setup.
Everything you need in one AI platform
Chat with frontier models
Talk to Arc Nova and Arc Flux, our streaming chat models, with full conversation history saved to your account.
A coding agent that ships code
Describe a task and the agent reads, writes, and runs code for you — in an isolated cloud sandbox, or locally on your own machine via the desktop app.
Local execution, real permissions
The Windows desktop app runs the coding agent on your computer, in a folder you choose, with an explicit approve/deny prompt before every file write or command.
Credits, not confusing tiers
Pay for what you use with a simple credit balance. Top up any amount, or subscribe to Pro for a larger monthly grant.
How it works
Sign up
Create an account with email or Google — you get free credits to start.
Chat or code
Start a conversation, or spin up a coding agent session for a real task.
Top up as you go
Buy more credits or go Pro whenever you need more, right from Billing.
Ready to try Arc AI?
Sign up in seconds and start chatting or coding right away.