Legaltech · AI architecture

4 Legaltech companies — how they build with AI

How Legaltech companies build with AI — which foundational models they run and how directly, ranked by proximity to the model. Avg Foundation Proximity Score 75/100.

Native 0Direct API 4Cloud-hosted 0Middleware 0

Clio

Legaltech · AWS · Direct API

Legal practice-management cloud; Clio Duo AI on OpenAI over matter/document data.

Ironclad

Legaltech · AWS · Direct API

Contract-lifecycle platform; AI contract review/drafting on OpenAI + Anthropic.

Robin AI

Legaltech · AWS · Direct API

Contract-AI platform built primarily on Anthropic Claude over legal documents.

Spellbook

Legaltech · AWS · Direct API

AI contract drafting in Word, built on OpenAI with legal-tuned retrieval.

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