100xprompt’s two frontier models - Flash and Pro - come from its own hosted service. Sign in once with a single key and both are available in every session afterward. One credential, nothing else to configure before you start working. This is the simplest path to a working setup. If you just want capable models ready to go, start here.

​
Why sign in

You create one API key from your 100xprompt account and paste it in - that’s the entire setup. 100xprompt hosts both models and bills them through that single key, so there’s no separate provider sign-up and no per-model configuration.

One credential

A single key unlocks both models. No separate accounts or environment variables to juggle.

Ready in minutes

Sign in and you’re working - Flash and Pro are available in every session from then on.

Two frontier models

Flash for fast, lightweight work and Pro for deep reasoning - switch between them anytime.

​
Connect the hosted service

Suppose you just installed 100xprompt and want models working now. Signing in takes under a minute. You do it once, and both models are available in every session afterward.
1

Open the provider sign-in

Start the connect flow. 100xprompt sits at the top of the list, marked recommended - pick it.
2

Get your key

Follow the prompt to 100xprompt.com to create a key, then paste it in. A single key is all you need.
3

Choose a model

As soon as you’re signed in, 100xprompt drops you into the model picker so you can select Flash or Pro for your work.
You can also connect from the terminal with 100xprompt auth login and select 100xprompt from the list.

​
Flash vs. Pro

Both models run in the same session, and switching between them is instant. The difference is speed versus depth.
FlashPro
Best forFast, lightweight, everyday stepsDeep reasoning and large changes
Typical useQuick edits, summaries, tight iterationHard refactors, multi-file changes, planning
SpeedFastestThorough
Switch costInstant, mid-conversationInstant, mid-conversation
Reach for Flash on lightweight, iterative work, and Pro when a task needs deeper reasoning. Because switching is instant, you can move between them mid-conversation as the work changes.

​
Choose a model once connected

  • Switch instantly - open the Switch model picker from within a session and select Flash or Pro. It becomes active immediately, with no restart and no lost context.
  • Set a default - pin a model as your default in 100xprompt.json so every new session starts on it: 
    {
  "$schema": "https://100xprompt.com/config.json",
  "model": "100xprompt/pro"
}
  • List what’s available - run 100xprompt models to see every model you can select right now, along with the exact identifiers to use in config.
Point lightweight background steps at Flash with the small_model key so they stay fast and cheap, while your main work runs on Pro. See Models.
  • Models: how to switch models, route lightweight steps, and set per-agent models.
  • Authentication: manage credentials and sign in or out.
  • Quickstart: install, sign in, and ship your first change.

Models

Switch between Flash and Pro, route lightweight steps, and set per-agent models.

Authentication

Manage credentials, sign in and out, and control how your key is stored.

Quickstart

Install 100xprompt, sign in, and ship your first change in minutes.