# Identity resolution: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "identity resolution platform" and as "customer identity matching service", six framings each, to six frontier models with search on, on behalf of a mid-market B2B software company. Page: https://www.gane.ai/index/gtm/gtm-data/identity-resolution/2026-09-expanded

This is the permanent record of the September 2026 Edition, published September 9, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/gtm-data/identity-resolution/index.md

**Standing:** Twilio Segment Unify leads with 23% of first choices; verdict contested. 22 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Twilio Segment Unify](https://www.gane.ai/index/gtm/vendors/twilio-segment-unify/index.md) | 23% | 9% | 22 |
| 2 | [Hightouch Adaptive Identity Resolution](https://www.gane.ai/index/gtm/vendors/hightouch-adaptive-identity-resolution/index.md) | 18% | 5% | 19 |
| 13 | [Amperity](https://www.gane.ai/index/gtm/vendors/amperity/index.md) | 0% | 31% | 13 |
| 52 | [LiveRamp Identity Resolution](https://www.gane.ai/index/gtm/vendors/liveramp-identity-resolution/index.md) | 0% | 42% | 19 |
| 65 | [Experian Identity Resolution](https://www.gane.ai/index/gtm/vendors/experian-identity-resolution/index.md) | 0% | 42% | 12 |

Rank is by share of first choices among all 83 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Opus 5: HubSpot Breeze Intelligence, RB2B; alternatives Albacross, Dealfront, Factors.ai, Hightouch Adaptive Identity Resolution
- Claude Opus 4.8: RudderStack, Twilio Segment Unify; alternatives Census, Dealfront, Hightouch Adaptive Identity Resolution, HubSpot Breeze Intelligence
- GPT-6 Astra: Hightouch Adaptive Identity Resolution; alternatives 6sense, Factors.ai, Twilio Segment Unify
- GPT-5.6 Sol: Hightouch Adaptive Identity Resolution; alternatives Leadspace, RudderStack, Twilio Segment Unify
- Gemini 3.1 Pro: Factors.ai; alternatives Dealfront, HubSpot Breeze Intelligence, RB2B, Warmly
- Perplexity Sonar Pro: Twilio Segment Unify; alternatives Hightouch Adaptive Identity Resolution, LiveRamp Identity Resolution

## Sources the answers cite

32 of 36 answers came back with a source list, from 6 of 6 models. Sites named in the most answers:

- hightouch.com: 20 answers, 29 citations
- customerlabs.com: 15 answers, 16 citations
- g2.com: 10 answers, 21 citations
- rudderstack.com: 9 answers, 13 citations
- tilores.io: 9 answers, 10 citations
- devopsschool.com: 9 answers, 9 citations
- ciente.io: 8 answers, 8 citations
- guideflow.com: 8 answers, 8 citations

Pages named in the most answers:

- https://customerlabs.com/blog/best-identity-resolution-software-tools (15 answers)
- https://devopsschool.com/blog/top-10-identity-resolution-platforms-features-pros-cons-comparison (9 answers)
- https://ciente.io/blogs/top-10-identity-resolution-software-solutions-of-2024 (8 answers)
- https://guideflow.com/blog/identity-resolution-software (8 answers)
- https://hightouch.com/blog/identity-resolution-tools (8 answers)
- https://tilores.io/content/best-identity-resolution-platforms-2026 (8 answers)
- https://hightouch.com/docs/identity-resolution/overview (6 answers)
- https://capturify.io/blog-posts/identity-resolution-solutions (6 answers)
- https://launchlabs.ai/post/identity-resolution-platforms-for-b2c-marketing (5 answers)
- https://martech.org/what-is-identity-resolution-and-how-are-platforms-adapting-to-privacy-changes (5 answers)

## Warned against

- LiveRamp Identity Resolution: 8 of 19 labels negative. "Amperity and LiveRamp are excellent but enterprise-priced" (Claude Opus 5, budget prompt)
- Outlogic: 4 of 4 labels negative. "I would not use location-derived identity or audience products from ... X-Mode/Outlogic" (GPT-5.6 Sol, negative prompt)
- Amperity: 4 of 13 labels negative. "Capturify's own comparison flags Amperity's pricing as likely too high for SMBs" (Claude Opus 5, budget prompt)
- Gravy Analytics / Venntel: 3 of 3 labels negative. "I would not use location-derived identity or audience products from Mobilewalla, Gravy Analytics/Venntel, X-Mode/Outlogic, or InMarket" (GPT-5.6 Sol, negative prompt)

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/gtm.