The buyer question · week of Nov 2 – 8

Best Antivirus Software Brands Ranking

Named by AI, refreshed weekly.

Evidence behind the chart ?

AI panel6 assistantsasked this question every week
Brands onlyMakers, not modelsAI assistants answer this question with brand names, so the chart lists brands. ?

The weekly chart ?

The top 20 brands right now.

Brand chart

This week ?

Bitdefender holds #1.

#1 in 18 of the last 20 weeks

1 debut1 out

All 11 moves ↓

Tap a card for each AI’s place and other charts.

  1. #1same place as last weekBitdefenderAlso #2 Privacy & Security · #17 Software & Digital Services · +1Last week #1 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#1
    2. Claude#1
    3. Gemini#1
    4. AI Modenot named
    5. Grok#1
    6. Perplexity#1

    named by 5/6

    Where each AI put its first product. The card’s #1 is the 4-week average.

  2. #2same place as last weekNortonAlso #3 Privacy & Security · #20 Software & Digital ServicesLast week #2 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#2
    2. Claude#2
    3. Gemini#2
    4. AI Modenot named
    5. Grok#2
    6. Perplexity#2

    named by 5/6

    Where each AI put its first product. The card’s #2 is the 4-week average.

  3. #3same place as last weekMcAfeeAlso #4 Privacy & SecurityLast week #3 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#6
    2. Claude#4
    3. Gemini#4
    4. AI Modenot named
    5. Grok#3
    6. Perplexity#5

    named by 5/6

    Where each AI put its first product. The card’s #3 is the 4-week average.

    Where McAfee is strong · top 20 ?

  4. #4same place as last weekESETAlso #12 Privacy & SecurityLast week #4 · 16 weeks in top 20

    AI places · this week ?

    1. GPT#3
    2. Claude#5
    3. Gemini#8
    4. AI Modenot named
    5. Grok#5
    6. Perplexity#6

    named by 5/6

    Where each AI put its first product. The card’s #4 is the 4-week average.

    Where ESET is strong · top 20 ?

  5. #5same place as last weekKasperskyAlso #9 Privacy & SecurityLast week #5 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#4
    2. Claude#3
    3. Gemini#3
    4. AI Modenot named
    5. Grok#4
    6. Perplexity#7

    named by 5/6

    Where each AI put its first product. The card’s #5 is the 4-week average.

    Where Kaspersky is strong · top 20 ?

  6. #6same place as last weekAvastAlso #10 Privacy & SecurityLast week #6 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#8
    2. Claude#6
    3. Gemini#5
    4. AI Modenot named
    5. Grok#7
    6. Perplexity#8

    named by 5/6

    Where each AI put its first product. The card’s #6 is the 4-week average.

    Where Avast is strong · top 20 ?

  7. #7up 1 place since last weekAVGAlso #16 Privacy & SecurityLast week #8 · 15 weeks in top 20

    AI places · this week ?

    1. GPT#9
    2. Claude#7
    3. Gemini#6
    4. AI Modenot named
    5. Grok#8
    6. Perplexity#9

    named by 5/6

    Where each AI put its first product. The card’s #7 is the 4-week average.

    Where AVG is strong · top 20 ?

  8. #8down 1 place since last weekMalwarebytesAlso #18 Privacy & SecurityLast week #7 · 15 weeks in top 20

    AI places · this week ?

    1. GPT#12
    2. Claude#9
    3. Gemini#7
    4. AI Modenot named
    5. Grok#10
    6. Perplexity#11

    named by 5/6

    Where each AI put its first product. The card’s #8 is the 4-week average.

    Where Malwarebytes is strong · top 20 ?

  9. #9same place as last weekTrenDAlso #19 Privacy & SecurityLast week #9 · 16 weeks in top 20

    AI places · this week ?

    1. GPT#7
    2. Claude#8
    3. Gemini#9
    4. AI Modenot named
    5. Grok#6
    6. Perplexity#12

    named by 5/6

    Where each AI put its first product. The card’s #9 is the 4-week average.

    Where TrenD is strong · top 20 ?

  10. #10same place as last weekF-SecureLast week #10 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#10
    2. Claude#11
    3. Gemini#12
    4. AI Modenot named
    5. Grok#13
    6. Perplexity#13

    named by 5/6

    Where each AI put its first product. The card’s #10 is the 4-week average.

  11. #11same place as last weekSophosLast week #11 · 15 weeks in top 20

    AI places · this week ?

    1. GPT#11
    2. Claude#13
    3. Gemini#11
    4. AI Modenot named
    5. Grok#11
    6. Perplexity#19

    named by 5/6

    Where each AI put its first product. The card’s #11 is the 4-week average.

  12. #12up 1 place since last weekAviraAlso #17 Best Password ManagersLast week #13 · 14 weeks in top 20

    AI places · this week ?

    1. GPT#13
    2. Claude#10
    3. Gemininot named
    4. AI Modenot named
    5. Grok#9
    6. Perplexity#14

    named by 4/6

    Where each AI put its first product. The card’s #12 is the 4-week average.

    Where Avira is strong · top 20 ?

  13. #13up 1 place since last weekPandaAlso #10 Best Compact Washing Machines · #18 Washing MachinesLast week #14 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#16
    2. Claude#15
    3. Gemini#15
    4. AI Modenot named
    5. Grok#14
    6. Perplexity#18

    named by 5/6

    Where each AI put its first product. The card’s #13 is the 4-week average.

  14. #14down 2 places since last weekWebrootLast week #12 · 14 weeks in top 20

    AI places · this week ?

    1. GPT#17
    2. Claude#12
    3. Gemini#10
    4. AI Modenot named
    5. Grok#12
    6. Perplexitynot named

    named by 4/6

    Where each AI put its first product. The card’s #14 is the 4-week average.

  15. #15same place as last weekG DATALast week #15 · 14 weeks in top 20

    AI places · this week ?

    1. GPT#14
    2. Claude#16
    3. Gemini#13
    4. AI Modenot named
    5. Grok#17
    6. Perplexity#21

    named by 5/6

    Where each AI put its first product. The card’s #15 is the 4-week average.

  16. #16same place as last weekMicrosoftAlso #3 AI Tools · #4 Best Tablets · +4Last week #16 · 18 weeks in top 20

    AI places · this week ?

    1. GPT#5
    2. Claude#14
    3. Gemininot named
    4. AI Modenot named
    5. Grok#28
    6. Perplexity#26

    named by 4/6

    Where each AI put its first product. The card’s #16 is the 4-week average.

  17. #17same place as last weekTotalAVLast week #17 · 14 weeks in top 20

    AI places · this week ?

    1. GPTnot named
    2. Claudenot named
    3. Gemini#21
    4. AI Modenot named
    5. Grok#15
    6. Perplexity#24

    named by 3/6

    Where each AI put its first product. The card’s #17 is the 4-week average.

  18. #18same place as last weekBullGuardLast week #18 · 14 weeks in top 20

    AI places · this week ?

    1. GPTnot named
    2. Claudenot named
    3. Gemini#14
    4. AI Modenot named
    5. Grok#16
    6. Perplexitynot named

    named by 2/6

    Where each AI put its first product. The card’s #18 is the 4-week average.

  19. #19same place as last weekVipreLast week #19 · 13 weeks in top 20

    AI places · this week ?

    1. GPT#18
    2. Claudenot named
    3. Gemini#28
    4. AI Modenot named
    5. Grok#18
    6. Perplexity#20

    named by 4/6

    Where each AI put its first product. The card’s #19 is the 4-week average.

  20. #20up 2 places since last weekQuickDebutLast week #22 · 1 week in top 20

    AI places · this week ?

    1. GPTnot named
    2. Claudenot named
    3. Gemini#16
    4. AI Modenot named
    5. Groknot named
    6. Perplexity#23

    named by 2/6

    Where each AI put its first product. The card’s #20 is the 4-week average.

Dropped out of the top 20 ?

  • Comodo was #20, now #23 9 weeks in the top 20
Show places 21–57Hide places 21–57
  1. #21K7last wk #23 0 wks in top 20
  2. #22Integolast wk #21 2 wks in top 20
  3. #23Comodolast wk #20 9 wks in top 20
  4. #24Emsisoftlast wk #24 0 wks in top 20
  5. #25MacKeeperlast wk #25 0 wks in top 20
  6. #26Cylancelast wk #26 0 wks in top 20
  7. #27AhnLablast wk #28 0 wks in top 20
  8. #28Surfsharklast wk #30 0 wks in top 20
  9. #29SentinelOnelast wk #29 0 wks in top 20
  10. #30ZoneAlarmlast wk #27 0 wks in top 20
  11. #31Xcitiumlast wk — 0 wks in top 20
  12. #32CrowdStrikelast wk #31 0 wks in top 20
  13. #33Advanced SystemCarelast wk #36 0 wks in top 20
  14. #34Heimdallast wk #32 0 wks in top 20
  15. #35Reimagelast wk — 0 wks in top 20
  16. #36Symanteclast wk #34 0 wks in top 20
  17. #37360 Total Securitylast wk #35 0 wks in top 20
  18. #38Zillyalast wk #39 0 wks in top 20
  19. #39PC Maticlast wk #33 0 wks in top 20
  20. #40Fortinetlast wk #38 0 wks in top 20
  21. #41ClamXAVlast wk #47 0 wks in top 20
  22. #42Spybotlast wk #49 0 wks in top 20
  23. #43Total Defenselast wk #50 0 wks in top 20
  24. #44Dr. Weblast wk #40 0 wks in top 20
  25. #45Ciscolast wk #41 0 wks in top 20
  26. #46HitmanProlast wk — 0 wks in top 20
  27. #47Zemanalast wk — 0 wks in top 20
  28. #48Auralast wk #46 0 wks in top 20
  29. #49Ashampoolast wk #45 0 wks in top 20
  30. #50Tencentlast wk #52 0 wks in top 20
  31. #51ReviverSoftlast wk #48 0 wks in top 20
  32. #52ClamWinlast wk #53 0 wks in top 20
  33. #53Reasonlast wk #42 0 wks in top 20
  34. #54EnigmaSoftlast wk #44 0 wks in top 20
  35. #55Carbon Blacklast wk #55 0 wks in top 20
  36. #56Check Pointlast wk #56 0 wks in top 20
  37. #57Proofpointlast wk #57 0 wks in top 20

The monthly check covers products, not brands. ?

The AI panel ?

Where the AIs disagree.

Each AI’s place for the top 10 brands: where it put the brand’s highest-placed product this week. Rows in chart order; an empty cell: not named this week.well above the other AIs well below not named this week ?
Place on this chartBrandChatGPTClaudeGeminiAI ModeGrokPerplexityNamed by
#1Bitdefender111115/6
#2Norton222225/6
#3McAfee644355/6
#4ESET358565/6
#5Kaspersky433475/6
#6Avast865785/6
#7AVG976895/6
#8Malwarebytes129710115/6
#9TrenD789612, well below the others5/6
#10F-Secure10111213135/6

Before you buy

Questions buyers ask.

  • Who is #1 for “Best Antivirus Software”, and for how long?

    Bitdefender is the #1 brand this week, and has been #1 for 18 of the last 20 weeks.

  • What changed on this chart in the last four weeks?

    1 of the top 20 brands was not in the top 20 four weeks ago. The #1 then was Bitdefender, and it is still #1.

Data as of November 2 ? 114 AI answers over 21 weeks from 6 assistants ?

Embed this chart

Paste this HTML into your page to show the top 10 brands of this chart. The frame always shows the current chart, so it changes every week.

See the widget

Chart changes, by email.

New #1s, debuts and the picks that fail the check, from every chart. We will write only when there is news.