rekhu

Rekhu Builder

Models

The Rekhu model tiers, what each is good at, and how to choose the model a project or a design runs on.

The tiers

Rekhu runs on a set of models in four tiers. Each tier carries a version number, and the account always shows a model by its Rekhu name:

Model Good for
Rekhu Lite 4.5 The cheapest: small edits and quick questions.
Rekhu Standard 5 Fast, and does most site work well.
Rekhu Pro 5 Deeper work: hard layouts, long custom code, tricky templates.
Rekhu Max 5.1 The most capable, for the hardest work.

The list in your account is the one that counts: it shows the models your account may use, with their prices. When a new version of a tier arrives, it shows there under its new number.

Without a choice, a project runs on the Default. The model list shows which model that is.

What a model costs

Every model is priced per million tokens, for what goes in (your message, the knowledge, the site's state) and what comes out (the answer and the tool calls). The account shows the prices exactly as they appear on your statement.

A stronger model costs more per token, but it often needs fewer steps for a hard job. A rule of thumb:

  • Start on the Default for everyday site work.
  • Move up to Pro when a template is tricky or the code is long, and the Default needs several attempts.
  • Use Lite for many small, simple jobs, such as text changes.

The cost of each step shows in the project's Activity, and the Usage page can show the month per model. See Credit and usage.

Choose the model of a project

The project's chats all run on the model chosen for the project.

  1. Open the project's Chat tab.
  2. Open Model under the message box and pick one.
  3. Compare the price. Before anything changes, Rekhu shows the price of the model you picked per million tokens, in and out, and about how many times the default it costs.
  4. Press Switch, or Keep to stay where you are.

The line under the message box then says which model the project runs on. Pick Default to go back.

You need edit access to the project to switch. A client of yours does not choose the model; their chats run on the model you set.

Tip: switch for the hard job, then switch back. The choice is per project, so you can run one demanding site on Pro and the rest on the Default.

Choose the model of a design

T-Design has its own model choice. In the studio, the message box for a change has a model list with Default and the models of your account, and each version in the studio shows which model wrote it. See T-Design.

Models in your own code

When you call Rekhu from your own app, you name the model by these same names, for example Rekhu Standard or Rekhu Pro. Rekhu Assistant lets you choose a model per user or per request, for example a stronger one for the users on your higher plan. See Rekhu Assistant and The core package.

When a model is busy

A model that is briefly busy is tried again on its own. If it still does not answer after three tries, the chat says so and suggests trying again in a minute or picking another model under Model. The steps that were done before stand.

Where the work runs

Which region processes the work of each feature is shown on the account's Privacy & data page. See Privacy and data region.

Next