Logikcull vs Relativity aiR: pricing, features and which to choose

Plans, prices, deployment options, strengths and limits for Logikcull vs Relativity aiR, taken from each company's pricing page, docs and changelog. Updated October 2026.

LogikcullRelativity aiR
Logikcull logo

Logikcull

Legal AI Tools

Logikcull is a self-service eDiscovery platform owned by Reveal. Legal teams drag in email, documents and chat data, and Logikcull processes, indexes and filters it for review, redaction and production. ASK, Reveal's generative AI, answers plain-language questions with cited documents. Pricing is per GB of data each month, with pay-as-you-go plans and unlimited users and projects.

Relativity aiR logo

Relativity aiR

Legal AI Tools

Relativity aiR is a generative AI suite for litigation, investigations, privilege review, and case strategy. It runs inside RelativityOne for legal teams managing matter data there. Pricing is tied to data volume through pay as you go or one and three year commitments. Relativity does not publish a public dollar entry price, and some products or features may incur aiR Units or contract fees.

Quick comparison

FeatureLogikcullRelativity aiR
CategoryLegal AI ToolsLegal AI Tools
Main useSelf-serve eDiscoveryAI document review
Pricing modelPay per usePaid only
Free plan No No
Entry paid planPer GB/month (Pay-As-You-Go)Custom (Pay as you go)
PlatformsWebWeb platform
Open source No No
Self-hosted No No
Public API Yes Yes
Profile updatedOctober 2026October 2026

Pricing plans

Every public plan, as listed on each company's pricing page.

Logikcull

  • Pay-As-You-GoPer GB/month

    Monthly, no commitment, 10 GB minimum. Unlimited users, projects and downloads; sample matter included.

  • Logikcull SubscriptionCustom

    Storage or matter-based blocks, Reveal AI fact-finding, A/V transcription, Slack filtering, PII redaction and premium support.

  • Corporate SuiteCustom

    Subscription features plus unlimited legal holds and Onna collection from 31+ sources.

Relativity aiR

  • Pay as you goCustom

    Data volume determines pricing. Some aiR products and features may consume aiR Units or incur contract fees.

  • One year commitmentCustom

    Committed data volume includes listed AI capabilities and core lifecycle tools. Volume and add ons are quoted.

  • Three year commitmentCustom

    Committed data volume may provide commitment savings. Specialized add ons are licensed separately.

  • RelativityOne GovernmentCustom

    Government deployment uses Azure Government Cloud. aiR for Review became available in March 2025, with other availability varying by release.

Strengths and limits

Logikcull

  • Drag-and-drop uploads with automatic processing and tagging.
  • Unlimited users, projects and downloads on every plan.
  • ASK answers questions with citations to source documents.
  • Pay-as-you-go option with no long-term commitment.
  • Per-GB rates are not published.
  • Fewer advanced analytics than Relativity or Everlaw.
  • Premium AI and transcription need a subscription plan.

Relativity aiR

  • AI review and privilege tools sit inside the case workspace.
  • Outputs include rationales, considerations, and document citations.
  • Review Center supports precision, recall, and elusion analysis.
  • Relativity says customer data is not used to train third party models.
  • Relativity does not publish dollar pricing.
  • The product depends on RelativityOne and contract terms.
  • Inference geography can differ from storage geography.

Which should you choose?

Choose Logikcull if

  • Small and mid-sized firms handling discovery in-house.
  • Corporate legal teams running investigations without vendors.
  • Government agencies responding to public records requests.
  • Lawyers who want to bill discovery costs back by data volume.

Look elsewhere if

  • Teams running very large, multi-reviewer document reviews.
  • Buyers who want published per-GB prices before talking to sales.
  • Firms that need advanced review analytics and custom workflows.

Choose Relativity aiR if

  • Law firms running large RelativityOne discovery matters.
  • Teams needing cited AI review rationales and quality metrics.
  • Investigators combining review, privilege, and case strategy.
  • Public sector users requiring a FedRAMP authorized review environment.

Look elsewhere if

  • Small teams seeking transparent self serve pricing.
  • Users wanting a standalone legal research assistant.
  • Organizations unwilling to process inference through Azure services.

Logikcull logo Logikcull in brief

Logikcull was founded in 2004 and became known for making eDiscovery self-service, so small firms, in-house teams and government agencies could handle discovery without IT staff or outside vendors. Reveal, an AI eDiscovery company backed by K1 Investment Management, acquired Logikcull and IPRO in August 2023 in deals it said were valued at more than $1 billion combined. Logikcull now serves as Reveal's entry product for smaller and mid-sized matters, while Reveal's own platform handles large, complex litigation. Logikcull says it has more than 38,000 users across law firms, corporations, government agencies and educational institutions.

The workflow starts with uploading data by drag and drop, including PST files, ZIP archives, loose documents and exports from Slack or Google Vault. Logikcull processes the data automatically, running OCR, de-duplication, email threading and indexing, then applies smart tags that flag privileged communications, PII, inclusive emails, foreign languages and other categories. Reviewers search with keywords or filters, tag documents, apply redactions, and produce Bates-stamped sets in standard formats. Logikcull says its filters typically cut uploaded data by 70 to 90 percent before review. Matters can be billed back to clients by data volume, and downloads are unlimited.

Logikcull's appeal is speed to start: a lawyer can open a matter and upload data the same day without training. Its limits are fewer advanced analytics and review workflows than enterprise platforms, and pricing that requires a quote for subscriptions. Everlaw offers a modern cloud platform with generative AI for larger litigation teams, DISCO combines review with Auto Review AI, and RelativityOne with Relativity aiR is the standard for big document reviews. Nextpoint and Exterro serve similar small and corporate markets. Choose Logikcull if you handle small to mid-sized matters in-house and want predictable, data-based pricing with AI answers built in.

Read the full Logikcull review

Relativity aiR logo Relativity aiR in brief

Relativity aiR is Relativity's generative AI suite for legal data intelligence inside RelativityOne. It targets litigation, investigations, document review, privilege work, and case preparation. Relativity announced limited availability for aiR for Review at Legalweek 2024, followed by general availability for Review in September 2024 and Privilege in November 2024. The company reported more than 100 million aiR document decisions during the 20 months ending in October 2025. Relativity also reported $160 million in research and development investment for 2025, a company wide figure rather than an aiR budget. The suite is designed for legal teams that need review controls, auditability, and AI assistance within an existing case data system. Its positioning therefore emphasizes controlled deployment within established litigation workflows rather than replacement of attorneys or outside counsel.

Relativity aiR begins with extracted text and images in a RelativityOne workspace. In aiR for Review, a user writes natural language criteria, tests prompts on a smaller subset, and analyzes a collection. Results identify significant documents, explain their relevance, and cite supporting passages. Privilege analyzes documents and relevant personas, predicts privilege, and drafts privilege log descriptions. Case Strategy supports fact extraction, timelines, summaries, and work product. Assist provides conversational search over legal data. Outputs include rationales and considerations, while Review Center can calculate precision, recall, and elusion metrics for quality control. These controls make the system more suitable for defensible review than a general purpose chatbot operating outside the matter workspace. They also give review leaders a structured basis for sampling, escalation, and documenting decisions before production.

The main limitation is that aiR depends on RelativityOne, which makes it less suitable for teams choosing a standalone review system. Inference may occur outside the instance storage region when Azure model availability requires it, although Relativity says customer data is not used to train third party models. Everlaw offers a separate cloud discovery platform with comparable AI review workflows, while DISCO focuses on cloud discovery and case preparation without requiring RelativityOne. Clearbrief focuses on cited drafting and discovery-related writing, and Briefpoint supports automated legal drafting as an add-on product. Westlaw Precision is aimed at legal research rather than matter data. Choose aiR when review, privilege, validation, and case intelligence should remain in one RelativityOne workspace. Confirm regional processing, contract scope, and migration costs before standardizing on it.

Read the full Relativity aiR review

Frequently asked questions

How do Logikcull vs Relativity aiR compare on price?

Logikcull has no free plan, and its first paid plan (Pay-As-You-Go) is listed at Per GB/month. Relativity aiR has no free plan, and its first paid plan (Pay as you go) is listed at Custom. Prices are from each company's pricing page and can change, so check before you buy.

Which has a free plan, Logikcull vs Relativity aiR?

None of them has a permanent free plan. Logikcull starts at Per GB/month. Relativity aiR starts at Custom.

Can I self-host or integrate Logikcull vs Relativity aiR?

None of them is open source. All of them run as hosted services only. Logikcull and Relativity aiR offer a public API.

How much does Logikcull cost?

Logikcull charges per GB of data stored each month. Pay-as-you-go plans have no commitment and a 10 GB minimum, while subscription plans bundle storage or matters and add premium features. Every plan includes unlimited users, projects and downloads. Logikcull does not publish its per-GB rates, so contact sales or start a pay-as-you-go account for exact pricing.

Who owns Logikcull?

Reveal, an AI-powered eDiscovery company, acquired Logikcull and IPRO in August 2023 in transactions Reveal said were valued at more than $1 billion. Reveal's majority shareholder is K1 Investment Management. Logikcull remains a separate self-service product, and Reveal's ASK generative AI and Onna collection tools now integrate with it.

How much does Relativity aiR cost?

Relativity does not publish a dollar price. Customers can choose pay as you go, one year, or three year licensing tied to committed data volume. Assist, aiR Review, Privilege, and Case Strategy are listed with qualifying volume commitments rather than separate per user AI licenses. Data Breach Response, Translate, FOIA, and Legal Hold are separate add ons, while some aiR features may consume aiR Units or incur contract fees.

Is there a free Relativity aiR plan?

No free plan is advertised. aiR is sold within a paid RelativityOne subscription using data volume licensing. The pricing page describes commitment options and included capabilities, but it does not offer a public trial price or self serve tier. A quote depends on data volume, deployment, selected products, commitment term, and add ons.

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