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Sivants AI Engine

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Also called Sivants subscription tier

What is Sivants AI Engine?

The default AI tier covered by your Sivants subscription. Uses GPT-5.6 Luna for Apollo conversations, prompt review, and other lightweight operations.

The Sivants AI Engine powers operations that don't require premium models. Apollo conversations, Auto Review, basic Prompt Review, and other routine AI tasks default to this tier, GPT-5.6 Luna. Premium model use (Sonnet, Opus) requires BYOK from the Vault, billed against your provider account rather than Sivants.

How it relates to Orbit

Apollo uses an included Luna model unless you configure a bring-your-own-key model in Preferences. See Apollo, the Co-pilot for details.

When you would use it

This is what runs by default unless you've configured premium model use via BYOK.

Common operations

  • Routine Apollo conversations
  • Auto Review on medium-tier prompts
  • Light status queries and operational tasks

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