Comparison

Claira vs Harvey

Harvey is a general legal AI assistant. Claira is a document review tool built into Nuix Discover.

The short version

Purpose-built for eDiscovery review at production scale.

Bulk runs across millions of docs, not a chat about one.

Lives inside the reviewer workflow on Nuix Discover.

Side by side

Claira

Harvey

Where it lives

Inside your existing Nuix Discover workspace

Standalone web application

AI approach

Prompt-based, per-doc reasoned classifications

General legal AI assistant

Workflow shape

Bulk runs across full review sets, plus single-doc scans

Doc-by-doc analysis, drafting, research

Per-doc reasoning

Yes - every classification ships with a rationale

Conversational analysis per document

Data handling

Stays inside your existing Nuix tenant

Inside Harvey's environment

Bilingual EN / FR

Native EN and FR, switches with the URL

Primarily English

When Claira is the right call

You have a review set on Nuix Discover and need to classify it at scale - responsiveness, privilege, hot docs, custom criteria.

When Harvey might fit better

You need a general legal AI assistant for research, drafting, and reasoning over individual documents at a lawyer's desk.