Brandwave

3D Slicer vs Horos:Which is more popular?

In September 2026, 3D Slicer had more branded searches than Horos among medical imaging software worldwide. 3D Slicer had about 27,100 branded searches, while Horos had 1,900. 3D Slicer made up 2.3% of all medical imaging software searches we track, and Horos accounted for 0.16%. When we asked ChatGPT and Google AI Overviews about medical imaging software, 3D Slicer appeared in four of the five answers and Horos in three. 3D Slicer was mentioned before Horos in three out of five answers.

Among medical imaging software worldwide in September 2026

Who do people search for more?

3D Slicer, about 14 searches for every 1 for Horos

3D Slicer 27.1K searchesHoros 1.9K searches

Who does AI mention more?

3D Slicer, mentioned in 4 of 5 answers, Horos in 3

3D Slicer in 4 of 5Horos in 3 of 5

Who does AI recommend more?

3D Slicer, named ahead of Horos in 3 of 5 answers

3D Slicer first in 3Horos first in 2

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Top medical imaging software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, 3D Slicer was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Horos was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. 3D Slicer was listed before Horos in three out of five answers.

Most recommended by AI

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

  1. Weasis1st
  2. 3D Slicer2nd
  3. RadiAnt DICOM Viewer3rd
  4. Horos4th
  5. OsiriX MD5th
  6. OHIF Viewer6th
  7. Sectra7th
  8. Philips8th
  9. GE HealthCare9th
  10. Fujifilm–
  11. +1 more

Mentioned by AI

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

  • 3D Slicer4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • RadiAnt DICOM Viewer4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Weasis3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • OsiriX MD3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • OHIF Viewer3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Horos3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • GE HealthCare1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Philips1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Sectra1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Fujifilm0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+1 more

See every answer about medical imaging software

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 21, 2026.

Is 3D Slicer or Horos more popular in search?

This chart shows how often people search Google for 3D Slicer and Horos by name. Each line represents a brand's share of searches for all 11 medical imaging software we track, month by month, from English-language searches worldwide.

3D Slicer and Horos among medical imaging software worldwide, by month

Share of searches by month for 3D Slicer, Horos. The figures are in the table below the chart.

View monthly share of searches table
MonthFujifilmGE HealthCarePhilips3D SlicerRadiAnt DICOM ViewerSectraWeasisOsiriX MDAgfa HealthCareOHIF ViewerHoros
Oct 202563.6%10.4%19%2.1%1.7%1.1%0.63%0.7%0.34%0.19%0.15%
Nov 202562.3%8.3%22.8%2.1%1.6%1.1%0.61%0.57%0.27%0.22%0.14%
Dec 202567%7.4%20.2%1.8%1.5%0.81%0.44%0.49%0.19%0.16%0.11%
Jan 202667.7%9.1%16.7%1.8%2.1%0.82%0.55%0.61%0.24%0.2%0.13%
Feb 202662.6%10.2%18.7%2.5%2.4%1.4%0.75%0.7%0.33%0.27%0.18%
Mar 202667.1%11%13.5%2.7%2.5%1.2%0.66%0.61%0.29%0.29%0.15%
Apr 202667.2%11%13.5%2.7%2.5%1.2%0.66%0.61%0.29%0.24%0.16%
May 202670.8%9.5%11.6%2.8%2.2%1%0.7%0.64%0.31%0.25%0.16%
Jun 202667.1%11%13.5%2.7%2.1%1.5%0.81%0.61%0.36%0.29%0.16%
Jul 202672.9%9.7%9.7%2.4%2.2%1.1%0.72%0.53%0.32%0.26%0.14%
Aug 202670.8%9.5%11.6%2.3%2.6%1%0.85%0.52%0.31%0.25%0.14%
Sep 202669.5%11.4%11.4%2.3%2.1%1.2%0.84%0.52%0.3%0.24%0.16%

How has the 3D Slicer and Horos comparison changed over the last 12 months?

3 findings
  • 3D Slicer was ahead of Horos in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, 3D Slicer’s share of searches among medical imaging software worldwide moved from 2.1% to 2.3%, and its estimated monthly branded searches held steady at 27.1K.
  • Across the 12 months ending September 2026, Horos’ share of searches among medical imaging software worldwide moved from 0.15% to 0.16%, and its estimated monthly branded searches held steady at 1.9K.

How did search popularity change for medical imaging software worldwide in September 2026?

1 change

  1. In September 2026, 3D Slicer rose from 5th to 4th among medical imaging software worldwide.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using 3D Slicer’s and Horos’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

3D Slicer

1 branded search term

  • 3d slicer

Horos

1 branded search term

  • horos dicom

How the Brand Demand Index is measured

Other head-to-heads among medical imaging software

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