Brandwave

How popular isLuminance?

In September 2026, people searched for Luminance by name about 1,740 times worldwide, a 32.3% decrease from the previous year. These searches made up 0.82% of all global contract review platform searches, placing Luminance fifth out of ten platforms. When we asked both ChatGPT and Google AI Overviews about contract review platforms, Luminance appeared in three of the five answers and was the fourth most recommended of the ten.

Search and AI answers in September 2026

Luminance is the fifth most searched of 10 competitors and the fourth most recommended in AI answers.

  1. HarveyShare of searches 63.3%Mentioned in 2 of 5 AI answersPlace in AI recommendations 6th
  2. LegalOnShare of searches 23.2%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  3. SpellbookShare of searches 10.4%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  4. IroncladShare of searches 1.5%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  5. LuminanceShare of searches 0.82%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th

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Top contract review platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Luminance was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Luminance is the fourth most recommended of the ten.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. LegalOn1st
  2. Spellbook2nd
  3. Ironclad3rd
  4. Luminance4th
  5. Juro5th
  6. Harvey6th
  7. Kira7th
  8. LawGeex–
  9. LexCheck–
  10. Eigen–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • LegalOn5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Spellbook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Ironclad5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Luminance3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Juro3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Harvey2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Kira2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LawGeex0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • LexCheck0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Eigen0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about contract review platforms

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Which contract review platforms compete with Luminance?

Luminance against contract review platforms worldwide, by month

Share of searches by month for Harvey, LegalOn, Spellbook, Luminance. The figures are in the table below the chart.

View monthly share of searches table
MonthHarveyLegalOnSpellbookIroncladLuminanceKiraLawGeexJuroLexCheckEigen
Oct 202544.7%36.6%13.4%1.4%1.6%0.97%0.97%0.24%0.24%—
Nov 202544.6%36.5%13.3%1.6%1.5%1.2%0.96%0.24%0.19%—
Dec 202544.8%36.7%13.4%1.5%1.3%0.74%1.2%0.21%0.16%—
Jan 202639.9%39.9%14.6%1.8%1.7%0.86%0.86%0.23%0.17%—
Feb 202652.9%29%13%1.7%1.5%0.76%0.76%0.18%0.15%—
Mar 202653.2%29.2%13.1%1.4%1.3%0.77%0.63%0.23%0.1%—
Apr 202658%26.1%11.7%1.3%1.4%0.69%0.53%0.2%0.09%—
May 202657.8%26%11.7%1.8%1.4%0.68%0.46%0.16%0.07%—
Jun 202659.5%26.8%9.8%1.8%0.96%0.48%0.48%0.17%0.08%—
Jul 202659.5%26.8%9.8%1.9%0.93%0.48%0.48%0.12%0.06%—
Aug 202659.7%26.9%9.8%1.9%0.75%0.39%0.32%0.14%0.05%—
Sep 202663.3%23.2%10.4%1.5%0.82%0.41%0.28%0.1%0.05%—

  1. 1.Harvey

    63.3%

    Held 1st. 135K estimated branded searches, +22.7% vs prior month. Share +3.5 points.

  2. 2.LegalOn

    23.2%

    Held 2nd. 49.5K estimated branded searches, 0% vs prior month. Share -3.7 points.

  3. 3.Spellbook

    10.4%

    Held 3rd. 22.2K estimated branded searches, +22.7% vs prior month. Share +0.6 points.

  4. 4.Ironclad

    1.5%

    Held 4th. 3.1K estimated branded searches, -11.5% vs prior month. Share -0.5 points.

  5. 5.Luminance

    0.82%

    Held 5th. 1.7K estimated branded searches, +25.2% vs prior month. Share +0.1 points.

  6. 6.Kira

    0.41%

    Held 6th. 880 estimated branded searches, +22.2% vs prior month. Share 0 points.

  7. 7.LawGeex

    0.28%

    Held 7th. 590 estimated branded searches, 0% vs prior month. Share 0 points.

  8. 8.Juro

    0.1%

    Held 8th. 220 estimated branded searches, -12% vs prior month. Share 0 points.

  9. 9.LexCheck

    0.05%

    Held 9th. 110 estimated branded searches, +22.2% vs prior month. Share 0 points.

  10. —.Eigen

    —

    Not measured this month. — estimated branded searches, — vs prior month. Share —.

Compare popularity between Luminance and its closest rivals

Every comparison with Luminance

8 comparisons

How has branded search demand for Luminance changed worldwide over the last 12 months?

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Luminance worldwide fell from 2.6K to 1.7K.
  • Across the 12 months ending September 2026, Luminance’s share of searches among contract review platforms worldwide decreased from 1.6% to 0.82%.
  • Across the 12 months ending September 2026, Luminance fell from 4th to 5th among contract review platforms worldwide.

How did search popularity change for contract review platforms worldwide in September 2026?

6 changes

  1. In September 2026, Harvey gained share of searches among contract review platforms worldwide, from 59.7% to 63.3%.

  2. In September 2026, Spellbook gained share of searches among contract review platforms worldwide, from 9.8% to 10.4%.

  3. In September 2026, LegalOn lost share of searches among contract review platforms worldwide, from 26.9% to 23.2%.

  4. Estimated monthly branded searches for Ironclad worldwide rose 39.6% over 12 measured months, from 2.3K to 3.1K in September 2026.

  5. Estimated monthly branded searches for LexCheck worldwide fell 71.8% over 12 measured months, from 390 to 110 in September 2026.

  6. Estimated monthly branded searches for LawGeex worldwide fell 63.1% over 12 measured months, from 1.6K to 590 in September 2026.

How are Luminance’s branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Luminance’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • luminance ai
  • luminance legal

Do you work for Luminance? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

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