Premium models
Sleev maintains a curated set of frontier model families designated as Premium. Requests to these models count against your monthly Premium request quota when Sleev saves tokens on them. Models outside these Premium families are completely free to optimize with Sleev.
| Provider | Latest Premium models |
|---|---|
| Anthropic |
|
| |
| OpenAI |
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| xAI |
|
Older models in the same series also count as Premium. For example, Claude Opus 4.8, GPT-5.5, and Gemini 2.5 Pro are Premium models even though only the latest model in each series is listed above.