DECA Weekly AI Recommendation Index
Week of November 8, 2026 · ChatGPT (GPT-6 Luna), US · 10 categories. Three of the ten #1s on DecaGEO’s ChatGPT boards changed hands in the week of November 8, 2026, in Marketing Automation, Influencer Marketing and AI Writing Assistants. In AI Writing Assistants, Jasper took #1 from Grammarly while each was recommended in exactly as many answers as a week earlier, Jasper in 24 of 59 and Grammarly in 32.
Table 1: DECA Weekly Index headline metrics, week of November 8, 2026. #1 changes and the DECA Volatility Index compare the ten categories with the week of November 1, and both weeks were measured on GPT-6 Luna. The DECA Volatility Index is the share of brand-category pairs ranked in both weeks that moved ten or more rank positions, 37 of 292. Source: DecaGEO, ChatGPT (GPT-6 Luna), US.
Summary for citation: In DecaGEO’s week of November 8, 2026 data (ChatGPT on GPT-6 Luna, US, ten B2B SaaS categories, 714 answers), three category #1s changed from the week of November 1. Jasper took AI Writing Assistants from Grammarly, which was recommended in 32 of 59 answers against Jasper’s 24, the same counts as a week earlier. Aspire took Influencer Marketing from CreatorIQ by 1.0 DECA point, and Braze returned to #1 in Marketing Automation after one week at #3. Across the ten categories, 37 of the 292 brand-category pairs ranked in both weeks moved ten or more rank positions, a DECA Volatility Index of 12.7 percent, and Project Management had the most of those moves by count, 11 of 44.
Key takeaway: In the week of November 8, 2026, Grammarly and Jasper were each recommended in as many AI Writing answers as a week earlier, and the #1 still changed hands. Rank and DECA Score weigh where a brand appears in each answer as well as how often, so read your mention rate next to your rank.
Jasper took #1 in AI Writing Assistants
Jasper was recommended in 24 of 59 AI Writing Assistants answers and Grammarly in 32, the same counts as in the week of November 1. Grammarly ranked #1 by 14.8 DECA points that week, and in the week of November 8 Jasper ranked #1 by 1.4. With neither count moving, the change came from where the two sat in the answers that named them, and Jasper sat higher than Grammarly. Writer ranked #3 with 16 answers in both weeks.Aspire took #1 in Influencer Marketing
In Influencer Marketing, Aspire moved from #2 to #1, recommended in 43 of 79 answers, up from 39. CreatorIQ, #1 in the weeks of October 25 and November 1, ranked #2 with 34, up from 31. Aspire led by 1.0 DECA point, the narrowest #1-to-#2 gap on the ten boards. Modash ranked #3 with 25 answers.Braze returned to #1 in Marketing Automation
In Marketing Automation, Braze moved from #3 to #1 with 23 of 59 answers, up from 20. It was #1 in the week of October 25 with 25. HubSpot Marketing Hub, #1 a week earlier, ranked #2 with 19, down from 20, and Iterable fell from #2 to #3 with 20, down from 22. Braze led HubSpot Marketing Hub by 7.2 points.Scrunch AI fell from #2 to #7 in GEO
In GEO, Peec.ai stayed #1 with 33 of 63 answers, up from 28, and its lead went from 13.4 to 28.8 points. Semrush rose from #3 to #2 with 28 answers and Otterly.AI from #4 to #3 with 21. Scrunch AI, which rose from #6 to #2 in the week of November 1, ranked #7 with 13 answers, after 15 in the week of October 25 and 25 in the week of November 1. Profound moved from #5 to #4 while recommended in 18 answers, down from 26.#1-to-#2 gaps on ten boards
#1-to-#2 gap in DECA points on each of the ten boards, weeks of November 1 and November 8, 2026, each between that week's #1 and #2. Blue marks the three boards with a new #1. Source: DecaGEO, ChatGPT (GPT-6 Luna), US.
Top three on each board
Table 2: The top three brands by DECA Score on each of the ten boards, week of November 8, 2026, with the #1-to-#2 gap in DECA points for the weeks of November 1 and November 8, each between that week’s #1 and #2. Mention rates are shown as the public board displays them. Mention rate is the share of the category’s answers that recommended the brand, out of 79 answers in CRM, Email Marketing, Project Management, Help Desk, Influencer Marketing and SEO, 59 in Marketing Automation, AI Writing Assistants and AI Image Generators, and 63 in GEO. Source: DecaGEO, ChatGPT (GPT-6 Luna), US.
Adobe Firefly was recommended in 49 of 59 AI Image Generators answers and HubSpot Sales Hub in 55 of 79 CRM answers. In Project Management, Wrike and Asana were each recommended in 26 answers and ranked #2 and #3, 1.6 DECA points apart.
Rank movement by board
Table 3: Ranked brand counts, rank movement and turnover on the ten categories, weeks of November 1 and November 8, 2026. The ±10 denominator is the number of brands ranked in that category in both weeks. Entries are brands ranked on November 8 and not on November 1, exits the reverse. Source: DecaGEO, ChatGPT (GPT-6 Luna), US.
26 of the 37 moves of ten or more places were by brands recommended in a single answer in at least one of the two weeks, where one answer more or less moves a brand many places near the bottom of a board. In Influencer Marketing all six were, and in Project Management 5 of 11. GEO dropped the most brands, 19, and ranked 32 in the week of November 8, down from 40.
What this means for you
- Not yet recommended. 83 brand-category slots on the ten boards were ranked in the week of November 8, 2026 that had not been ranked in the week of November 1, 14 of them in Influencer Marketing and 11 each in GEO and SEO. The public board for each category shows the latest week’s ranking without an account. Break Into the AI Ranking walks through finding out why AI is not recommending you yet, and with a free account Add Your Brand sends a weekly alert when your brand enters the recommendation set.
- Lost rank while still recommended. Grammarly fell from #1 to #2 in AI Writing Assistants while recommended in 32 answers in both weeks, eight more than Jasper. If your rank or DECA Score dropped, check your mention rate before anything else. If it held, the change came from your slot in the answers or from a brand above you. Log in with a free account, compare your brand with the brand that passed you on mention rate as well as DECA, and open the Brand Ranking Trail in Prompt & AI Response to see where each of you appears in the answers. Pro adds the full answer text.
- Rose in one week. Scrunch AI went from 15 GEO answers to 25 in the week of November 1 and to 13 in the week of November 8, and Iterable in Marketing Automation from 17 to 22 to 20. Whether a rise holds shows in the weeks after it, read against weeks measured on the same model. The line above each public board names the model that measured the week, gpt-6-luna for both November 1 and November 8. With a free account, your brand’s Chart History shows mention rate next to rank for the last four weeks, with the model that measured each week in its AI Platform column, and Pro keeps the full history.
Don’t see your category?
The index measures the ten B2B SaaS categories. A chart for another category answers four questions.- Who does ChatGPT recommend first?
- Which brands are entering the recommendation set?
- How high is the Top 5 threshold, meaning the DECA Score needed to break in?
- Is the category open, volatile, or locked?
FAQ
Which brand was #1 in AI Writing Assistants on DecaGEO’s ChatGPT board in the week of November 8, 2026?
Jasper, 1.4 DECA points ahead of Grammarly, which was #1 in the week of November 1. Jasper was recommended in 24 of 59 answers and Grammarly in 32, the same counts as a week earlier.Which brand was #1 in Influencer Marketing in the week of November 8, 2026?
Aspire, recommended in 43 of 79 answers, 1.0 DECA point ahead of CreatorIQ, which was #1 in the weeks of October 25 and November 1 and was recommended in 34.Which brand was #1 in Marketing Automation in the week of November 8, 2026?
Braze, 7.2 DECA points ahead of HubSpot Marketing Hub, which was #1 in the week of November 1. Braze was recommended in 23 of 59 answers, HubSpot Marketing Hub in 19 and Iterable, #3, in 20.Which category had the most rank movement in the week of November 8, 2026?
By the number of moves of ten or more positions, Project Management, where 11 of its 44 carry-over brands moved that far. By turnover, GEO, which dropped 19 brands and added 11.How we measure
How the weekly prompt set is built and collected is described on the DecaGEO methodology page.- Collection. The weeks of November 1 and November 8, 2026 were both collected on GPT-6 Luna with the same prompt set.
- Week boundary. Ranks, DECA Scores, #1-to-#2 gaps and the DECA Volatility Index are compared between the weeks of November 1 and November 8, 2026, and not with editions before the week of October 25, which were measured on earlier models.
- Mention rate is the share of a category’s answers in a week that recommended the brand.
- Reading the DECA Score. 100 is the category’s #1 that week, and every other brand’s score is relative to the #1. When the #1 moves, the other brands’ DECA Scores on that board move with it. Whether a brand itself gained shows in its mention rate. The DECA Score of a brand other than the #1 is compared only with other brands in the same week and category. The full definition is on the DECA Score page.
- #1-to-#2 gap is the leader’s DECA Score minus the runner-up’s on the same board in the same week.
- DECA Volatility Index is the number of brand-category pairs ranked in both weeks that moved ten or more rank positions, divided by the number of pairs ranked in both weeks, on the ten boards.
Sources
- DecaGEO recommendation data, ChatGPT (GPT-6 Luna), US, weeks of November 1 and November 8, 2026 (ten categories).
- Previous edition: AI Ranking Movers — Week of November 1, 2026.
- DecaGEO methodology.
Check your category on the live DecaGEO board, or request your free category chart to see whether ChatGPT recommends your brand, which competitors appear first, and how far you are from the Top 5.