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Head to head · 2026

Harvey vs Luminance

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Harvey

Backed by OpenAI's own startup fund, reaching an $11 billion valuation in 3 years

4.4$333/mo

Visit Harvey (opens Harvey in a new tab)

Luminance

Trained its own proprietary LLM on more than 150 million legal documents

4.2Not listed

Visit Luminance (opens Luminance in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Luminance does not list a price

  • Free plan

    Tie

    Neither has one

  • Higher rating

    Harvey

    4.4 against 4.2

  • Same job?

    Yes

    Both are Legal AI tools

Side by side

Compared onHarveyLuminance
Our rating4.4Better4.2
Starts at$333/moNot listed
Free planNoNo
CategoryLegal AILegal AI
PlansFrom $333/moSee pricing
Key features
  • Document review, due diligence, contract analysis, and legal research in one platform
  • Built specifically for large law firms and corporate legal departments
  • $1B+ raised, $11B valuation, ~$190M ARR as of March 2026
  • Backed by Sequoia Capital, Google Ventures, and OpenAI's startup fund
  • Enterprise subscription with custom pricing per firm
  • Proprietary LLMX model trained specifically on legal documents
  • Pattern-recognition engine trained on 150 million-plus legal documents
  • One of the earliest companies applying machine learning to legal contracts, since 2015
  • 1,000+ organizations across 70 countries as of May 2026
  • Used by all Big Four consultancies and 25%+ of Global Top 100 law firms
Pros
  • Purpose-built for the specific demands of large-firm legal work
  • Exceptionally strong investor backing signals long-term product investment
  • Rapid revenue growth validates real adoption inside major firms
  • Purpose-built legal model rather than a general-purpose LLM adapted afterward
  • Genuinely massive scale and blue-chip client base validate real-world reliability
  • Longest operating history in this category, predating the current legal-AI wave by years
Cons
  • Enterprise pricing starts around $40,000 a year, out of reach for small firms
  • Per-user unlimited plans running $500-$1,500 a month add up quickly at scale
  • Built for large-firm workflows, less suited to a solo practitioner or small practice
  • Pricing isn't published, requires a direct sales conversation
  • Proprietary-model approach may iterate more slowly than platforms built on frontier LLMs
  • Enterprise scale and client base suggest better fit for larger organizations
CompanyHarvey, founded 2022Luminance, founded 2015

Prices come from each vendor's pricing page, last checked 20260714. Check the vendor before you buy.

FAQ

Questions people ask

Is Harvey better than Luminance?

In our reviews Harvey scores 4.4 and Luminance scores 4.2. The better pick depends on the job. Harvey: Backed by OpenAI's own startup fund, reaching an $11 billion valuation in 3 years. Luminance: Trained its own proprietary LLM on more than 150 million legal documents.

Which is cheaper, Harvey or Luminance?

Harvey: from $333/mo. Luminance: see pricing.

Do Harvey and Luminance have free plans?

Neither lists a free plan.

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