Brandwave

OHIF Viewer vs Weasis:Which is more popular?

In September 2026, Weasis had more branded searches than OHIF Viewer among medical imaging software worldwide. Weasis had about 9,900 branded searches, while OHIF Viewer had 2,900. Weasis made up 0.84% of all medical imaging software searches we track, and OHIF Viewer accounted for 0.24%. When we asked ChatGPT and Google AI Overviews about medical imaging software, OHIF Viewer and Weasis each appeared in three of the five answers. Weasis was mentioned before OHIF Viewer in three out of four answers that named either.

Among medical imaging software worldwide in September 2026

Who do people search for more?

Weasis, about 3 searches for every 1 for OHIF Viewer

Weasis 9.9K searchesOHIF Viewer 2.9K searches

Who does AI mention more?

Both were mentioned in 3 of 5 answers.

OHIF Viewer in 3 of 5Weasis in 3 of 5

Who does AI recommend more?

Weasis, named ahead of OHIF Viewer in 3 of 4 answers

Weasis first in 3OHIF Viewer first in 1

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Top medical imaging software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, OHIF Viewer was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Weasis was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Weasis was listed before OHIF Viewer in three out of four answers that named either.

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 OHIF Viewer or Weasis more popular in search?

This chart shows how often people search Google for OHIF Viewer and Weasis 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.

OHIF Viewer and Weasis among medical imaging software worldwide, by month

Share of searches by month for Weasis, OHIF Viewer. 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 OHIF Viewer and Weasis comparison changed over the last 12 months?

3 findings
  • Weasis was ahead of OHIF Viewer in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, OHIF Viewer’s share of searches among medical imaging software worldwide moved from 0.19% to 0.24%, and its estimated monthly branded searches moved from 2.4K to 2.9K.
  • Across the 12 months ending September 2026, Weasis’ share of searches among medical imaging software worldwide moved from 0.63% to 0.84%, and its estimated monthly branded searches moved from 8.1K to 9.9K.

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

2 changes

  1. Estimated monthly branded searches for Weasis worldwide rose 22.2% over 12 measured months, from 8.1K to 9.9K in September 2026.

  2. Estimated monthly branded searches for OHIF Viewer worldwide rose 20.8% over 12 measured months, from 2.4K to 2.9K in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using OHIF Viewer’s and Weasis’ 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.

OHIF Viewer

1 branded search term

  • ohif viewer

Weasis

1 branded search term

  • weasis

How the Brand Demand Index is measured

Other head-to-heads among medical imaging software

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