Overview
Relativity is the dominant e-discovery platform for large-scale litigation, used by AmLaw 100 firms, major litigation support vendors, and Fortune 500 legal departments to manage complex, high-volume document review. It covers the full EDRM workflow — data processing, culling, review, analytics, predictive coding, and production — in a single enterprise platform. Relativity's strength is handling exceptionally large data sets with sophisticated review controls. Its Active Learning module implements continuous active learning TAR (Technology-Assisted Review), a defensible method for prioritizing relevant documents and achieving recall targets at a fraction of the manual review cost. Clustering, email threading, and near-duplicate detection further reduce review volumes before attorneys see a single document. RelativityOne is the cloud-hosted version, allowing law firms to deploy Relativity without managing on-premises infrastructure. Most AmLaw 200 firms have direct RelativityOne licenses, while smaller firms access Relativity through litigation support vendor relationships. Relativity's analytics suite includes concept clustering, communication analysis, and data visualization tools that help teams understand a document population before beginning linear review. The platform's permission model enables granular control for multi-party matters and government productions. Relativity integrates with Nuix for processing, Brainspace for analytics, and numerous legal hold and collection tools. Pricing is typically per-month per gigabyte for storage and processing. Not recommended for small firms or single-matter use due to cost and technical complexity.
Key features
Processing and Culling
Processes raw ESI from custodian collections — email, files, Slack, Teams, cloud storage — deduplicates, extracts metadata, and applies date/keyword/custodian filters to reduce review volume before attorney review begins.
Analytics Suite
Email threading groups conversation chains for efficient review. Near-duplicate identification groups similar documents. Active learning (Relativity aiR and previous AI Review tools) predicts responsiveness and privilege, dramatically reducing attorney review hours.
Document Review
Core review workspace with coding fields, privilege logging, hot document flagging, and multi-reviewer workflow management. Stable for simultaneous review by hundreds of reviewers.
Productions
Configurable production workflows: Bates numbering, redaction, slipsheet application, endorsements, and production format export (TIFF, native, PDF) with load files.
RelativityOne Cloud
Managed cloud deployment eliminates on-premises infrastructure. Most firms access Relativity through certified RelativityOne hosting partners rather than self-hosting.
Privilege Log Automation
Automated privilege log generation from coded documents. Configurable log templates with metadata population reduce manual log preparation time.
Pros and cons
Pros
- Widely adopted — most litigation support vendors, co-counsel, and government agencies use Relativity, enabling seamless workspace handoff
- Analytics suite (email threading, near-duplicate detection, conceptual search) significantly reduces document review volume
- RelativityOne cloud platform eliminates on-premises infrastructure management for most deployments
- Extensive certification ecosystem — certified partners provide hosting, training, and support globally
- Comprehensive privilege log, production, and QC workflows with mature tooling across the e-discovery market
Cons
- Extremely expensive — usage-based pricing means large matters routinely cost $50,000–500,000+ in platform fees
- Complexity requires trained administrators and review managers — not self-serve
- Overkill for small firms doing occasional document review (use Logikcull)
- Pricing opacity makes budgeting difficult — cost depends on data volume and review duration
- Steep learning curve for document reviewers and first-time project managers
Pricing
Pricing current as of May 2026; verify with vendor before purchasing.
Who it's best for
Best fit for
- BigLaw and large corporate legal departments managing complex litigation with high document volumes
- Matters where co-counsel, adversaries, or government agencies are already in Relativity
- Multi-party litigation requiring simultaneous review by large teams of reviewers
- Investigations requiring advanced analytics, TAR/AI review, and detailed privilege logging
Not a fit for
- Small and mid-size firms doing occasional document review (use Logikcull or Everlaw)
- Simple matters with low data volumes where per-GB costs are disproportionate
- Firms without access to trained Relativity administrators or certified hosting partners
Frequently asked questions
Relativity pricing is usage-based and varies by data volume, active users, and storage. A typical large-matter deployment costs $50,000–500,000+ in platform fees depending on data size and review duration. Contact Relativity or a certified hosting partner for a project-specific estimate.
RelativityOne is the cloud-hosted version of Relativity. The underlying platform is the same; RelativityOne is accessed through certified hosting partners rather than requiring on-premises infrastructure.
No. Relativity is priced and designed for large enterprise deployments. Small and mid-size firms doing occasional document review should use Logikcull (starts at $395/month) or Everlaw.
Yes. Relativity aiR uses AI for responsiveness and privilege prediction (TAR/predictive coding), dramatically reducing document review volume on large matters.
Both are e-discovery platforms, but DISCO is AI-first and more modern, with simpler pricing. Relativity is the established standard with more deployment options, a larger certified partner network, and broader industry adoption. Relativity is preferred when co-counsel or adversaries also use it.