# Research · Finance AI Recommendation Index

October 2026 Edition. Page: https://finance-ai-index.com/research/

- [The same question, asked twice](https://finance-ai-index.com/research/repeat-measurement/): Asked again with nothing changed, the models moved their own first choice 67% of the time, and the leader still held in 27 of 30 readings (10 categories at three buyer sizes).
- [What moved between editions](https://finance-ai-index.com/research/movement/): Between the September 2026 Edition and the October 2026 Edition the leader changed in thirteen of forty-one categories, three of them by more than the noise floor of 10 points. Thirty of 391 changes in first-choice share clear the floor. Movement is read over the twelve models both editions asked; GPT-6 Luna, Muse Glimmer 30B joined this edition and are in the standing but not yet in the comparison.
- [The buyer's size changes the answer](https://finance-ai-index.com/research/buyer-size/): In 54 of 57 categories the leader differs between small business, mid-market and enterprise buyers. The same category, three standings.
- [What the answers cite](https://finance-ai-index.com/research/what-the-answers-cite/): Five of the fourteen models return a source list; across their 4,397 answers, 26% of the 59,341 citations point at a vendor's own site and 6% at a review site.