Answer · Finance

What AI models does Brex AI use?

Brex AI runs on Proprietary LLM (Brex), Undisclosed frontier LLM (Provider undisclosed) and Unspecified (Brex).

Models used
3
Primary model
Proprietary LLM
Public API
Yes
Last checked
2026-09-09

Model claims are labelled by how we know them: Proprietary LLM — unknown, Undisclosed frontier LLM — unknown and Unspecified — unknown. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.

Context window: Not published.

Other stack signals: Ledger integrations and Card network data.

Cite this answer

Tomorrow. “What AI models does Brex AI use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-09. https://tomorrow.aliensquad.ai/q/what-models-does-brex-ai-use

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