# B2B intent data providers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "B2B intent data provider" and as "B2B buyer intent data vendor", 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/sales/b2b-intent-data/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This is the permanent record of the September 2026 Edition, published September 9, 2026 and superseded since.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/sales/b2b-intent-data/index.md

**Standing:** G2 Buyer Intent (tied with Apollo.io) leads with 25% of first choices; verdict contested. 24 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [G2 Buyer Intent](https://www.gane.ai/index/gtm/vendors/g2-buyer-intent/index.md) | 25% | 8% | 25 |
| 2 | [Apollo.io](https://www.gane.ai/index/gtm/vendors/apollo-io/index.md) | 25% | 30% | 10 |
| 3 | [Bombora](https://www.gane.ai/index/gtm/vendors/bombora/index.md) | 17% | 18% | 34 |
| 5 | [6sense](https://www.gane.ai/index/gtm/vendors/6sense/index.md) | 8% | 38% | 32 |
| 6 | [Cognism](https://www.gane.ai/index/gtm/vendors/cognism/index.md) | 4% | 7% | 14 |
| 8 | [ZoomInfo](https://www.gane.ai/index/gtm/vendors/zoominfo/index.md) | 4% | 36% | 22 |
| 10 | [Dealfront](https://www.gane.ai/index/gtm/vendors/dealfront/index.md) | 0% | 0% | 14 |
| 11 | [TrustRadius](https://www.gane.ai/index/gtm/vendors/trustradius/index.md) | 0% | 0% | 12 |
| 12 | [Demandbase](https://www.gane.ai/index/gtm/vendors/demandbase/index.md) | 0% | 32% | 28 |

Rank is by share of first choices among all 40 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: Factors.ai, G2 Buyer Intent, Warmly; alternatives Bombora
- Claude Opus 4.8: 6sense, ZoomInfo; alternatives Bombora, Cognism, Demandbase, G2 Buyer Intent
- GPT-6 Astra: G2 Buyer Intent; alternatives 6sense, Bombora, Demandbase
- GPT-5.6 Sol: G2 Buyer Intent; alternatives 6sense, Bombora, Demandbase
- Gemini 3.1 Pro: Cognism; alternatives Bombora, Dealfront, G2 Buyer Intent
- Perplexity Sonar Pro: 6sense, Bombora; alternatives Dealfront, Demandbase, G2 Buyer Intent

## 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:

- demandbase.com: 18 answers, 23 citations
- bombora.com: 15 answers, 20 citations
- cognism.com: 14 answers, 14 citations
- percepture.com: 14 answers, 14 citations
- autobound.ai: 13 answers, 17 citations
- g2.com: 11 answers, 16 citations
- 6sense.com: 10 answers, 11 citations
- pipeline.zoominfo.com: 9 answers, 14 citations

Pages named in the most answers:

- https://percepture.com/sales-intelligence/best-b2b-intent-data-providers (14 answers)
- https://autobound.ai/blog/top-15-intent-data-providers-compared-2026 (12 answers)
- https://cognism.com/blog/intent-data-providers (12 answers)
- https://demandbase.com/blog/b2b-intent-data-providers (10 answers)
- https://pipeline.zoominfo.com/sales/intent-data-platform (9 answers)
- https://bombora.com/intent (8 answers)
- https://martal.ca/intent-data-providers-lb (8 answers)
- https://ai-ark.com/blog/b2b-intent-data-providers (7 answers)
- https://default.com/post/b2b-intent-data-providers (7 answers)
- https://salesmotion.io/blog/intent-data-providers (7 answers)

## Warned against

- 6sense: 12 of 32 labels negative. "Enterprise platforms like 6sense and Demandbase are designed for larger organizations with bigger budgets." (Claude Opus 4.8, budget prompt)
- Demandbase: 9 of 28 labels negative. "Skip the enterprise platforms for now. Enterprise platforms like 6sense and Demandbase are designed for larger organizations" (Claude Opus 4.8, budget prompt)
- Bombora: 6 of 34 labels negative. "Avoid enterprise platforms like 6sense, Demandbase, and often Bombora if budget is tight" (Perplexity Sonar Pro, budget prompt)
- ZoomInfo: 8 of 22 labels negative. "Massive privacy lawsuits, aggressive contracts, and data-hostage tactics." (Gemini 3.1 Pro, 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.