Choose a model
This page shows you how to choose which AI model writes your rewrites.
Pick a provider
Your provider is the company your key comes from. Set it in Settings, on the Account tab, under Provider:
| Provider | Notes |
|---|---|
| OpenRouter (recommended) | Every major model with one key. The only provider the audit and Find sources work with. |
| Anthropic | Claude models, with a key from Anthropic. |
| OpenAI | GPT models, with a key from OpenAI. |
| Custom (OpenAI-compatible) | Any service that works like OpenAI's. Also fill in Base URL with the address your service gives you. |
Every provider needs its key in API key.
Choose the model in the recipe
The model lives in the rewrite recipe, not in Settings, so you can change it between versions: draft v1 in one model and rewrite v2 in another. Each version shows the model that wrote it, as via and the model's name.
- On OpenRouter, select Search models in the recipe to open the model search.
- On other providers, type the model's name into the recipe's model field, such as
claude-sonnet-5orgpt-4.1. The field suggests a few.
Use the model search
The model search lists every OpenRouter model, grouped by family, newest first.
- Type part of a name, such as
qwenorclaude. - Use the arrow keys or the mouse to pick a model, then press
Enteror select it.
Each row shows the model's context size (how much text it can read at once, such as 200k ctx) and its price per million tokens of input.
| Badge or control | What it means |
|---|---|
| open | An open-weight model. Its maker cannot add a hidden watermark to what it writes. |
| alias | A name that always points at the newest model of a line. A version made with it may not come out the same way later. |
| Open-weight only | Shows only open-weight models. PlainSpeak remembers your choice. |
| Refresh | Fetches the model list again. The list is otherwise kept for 10 minutes. |
Keep favourites
- In the model search, select the star on a model's row, or press
Ctrl+Don the highlighted row. - Your favourites appear in a Favourites group at the top, in the order you starred them. They also stay in their family.
You can keep up to 10 favourites per provider. To add another, unstar one first. A favourite that OpenRouter no longer lists stays in the group, greyed, with Not in the current list, so you can unstar it.
The recipe has a Favourites list next to the model, so you can switch between your favourites without opening the search.
Which model to pick
- For a Recompose, pick a model from a different family than the one that drafted your copy. If the compare bar says much of the wording is shared, try again with another family.
- If rewrites keep getting reverted for losing words or adding tells, try another model. Models differ a lot here.
- If a model is slow or times out, pick a faster, cheaper one.
- Use an OpenRouter key with a spend limit, so a key that leaks cannot cost you more than you chose.