# Email marketing platforms for enterprise buyers: what AI models recommend, October 2026

Gane, the publisher, sells software in this category. Every product here is measured by the same method as in every other category.

Gane Index, October 2026 Edition. Asked as "email marketing platform" and as "email marketing tool", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/gtm/marketing/email-marketing/2026-10/enterprise

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/gtm/marketing/email-marketing/enterprise/index.md

**Standing:** HubSpot Marketing Hub (tied with Adobe Marketo Engage) leads with 29% of first choices; verdict contested. 56 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [HubSpot Marketing Hub](https://www.gane.ai/index/gtm/vendors/hubspot-marketing-hub/index.md) | 29% | 19% | 68 |
| 2 | [Adobe Marketo Engage](https://www.gane.ai/index/gtm/vendors/adobe-marketo-engage/index.md) | 29% | 6% | 35 |
| 3 | [Salesforce Marketing Cloud](https://www.gane.ai/index/gtm/vendors/salesforce-marketing-cloud/index.md) | 11% | 8% | 52 |
| 5 | [Brevo](https://www.gane.ai/index/gtm/vendors/brevo/index.md) | 9% | 38% | 16 |
| 6 | [Salesforce Marketing Cloud Account Engagement](https://www.gane.ai/index/gtm/vendors/salesforce-marketing-cloud-account-engagement/index.md) | 4% | 0% | 15 |
| 7 | [ActiveCampaign](https://www.gane.ai/index/gtm/vendors/activecampaign/index.md) | 4% | 36% | 42 |
| 8 | [Adobe Campaign](https://www.gane.ai/index/gtm/vendors/adobe-campaign/index.md) | 2% | 4% | 25 |
| 9 | [Oracle Eloqua](https://www.gane.ai/index/gtm/vendors/oracle-eloqua/index.md) | 2% | 10% | 20 |
| 10 | [Klaviyo](https://www.gane.ai/index/gtm/vendors/klaviyo/index.md) | 2% | 35% | 20 |
| 12 | [Braze](https://www.gane.ai/index/gtm/vendors/braze/index.md) | 0% | 5% | 20 |
| 13 | [Iterable](https://www.gane.ai/index/gtm/vendors/iterable/index.md) | 0% | 7% | 14 |
| 50 | [Constant Contact](https://www.gane.ai/index/gtm/vendors/constant-contact/index.md) | 0% | 86% | 14 |

Rank is by share of first choices among all 51 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 Haiku 4.5: HubSpot Marketing Hub; alternatives ActiveCampaign, Adobe Marketo Engage, Braze, Iterable
- GPT-5.4 mini: Adobe Marketo Engage; alternatives Oracle Eloqua, Salesforce Marketing Cloud Account Engagement
- Gemini 3.5 Flash: Adobe Marketo Engage, HubSpot Marketing Hub; alternatives ActiveCampaign, Oracle Eloqua, Salesforce Marketing Cloud Account Engagement
- Perplexity Sonar: HubSpot Marketing Hub; alternatives ActiveCampaign, ZoomInfo Marketing
- Grok 4.20: Adobe Marketo Engage, HubSpot Marketing Hub, Salesforce Marketing Cloud Account Engagement; alternatives Oracle Eloqua
- Mistral Small: HubSpot Marketing Hub
- DeepSeek V4 Flash: Adobe Marketo Engage, Salesforce Marketing Cloud; alternatives HubSpot Marketing Hub
- Llama 4 Maverick: HubSpot Marketing Hub
- Qwen 3.7 Flash: Adobe Marketo Engage; alternatives HubSpot Marketing Hub, Oracle Eloqua, Salesforce Marketing Cloud
- Kimi K2: Adobe Marketo Engage; alternatives HubSpot Marketing Hub, Oracle Eloqua, Salesforce Marketing Cloud Account Engagement
- GLM 4.7 FlashX: Adobe Marketo Engage; alternatives ActiveCampaign, HubSpot Marketing Hub, Salesforce Marketing Cloud
- MiniMax M2.5: HubSpot Marketing Hub; alternatives Adobe Marketo Engage, Salesforce Marketing Cloud, Salesforce Marketing Cloud Account Engagement
- GPT-6 Luna: Adobe Marketo Engage; alternatives HubSpot Marketing Hub, Oracle Eloqua, Salesforce Marketing Cloud Account Engagement
- Muse Glimmer 30B: Salesforce Marketing Cloud; alternatives Adobe Marketo Engage, HubSpot Marketing Hub

## Sources the answers cite

77 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- ventureharbour.com: 49 answers, 72 citations
- sequenzy.com: 47 answers, 72 citations
- pipeline.zoominfo.com: 35 answers, 44 citations
- insiderone.com: 27 answers, 33 citations
- mailtrap.io: 26 answers, 31 citations
- brevo.com: 21 answers, 25 citations
- attentive.com: 17 answers, 18 citations
- moosend.com: 17 answers, 17 citations

Pages named in the most answers:

- https://ventureharbour.com/top-enterprise-email-marketing-automation-crm (47 answers)
- https://pipeline.zoominfo.com/marketing/email-marketing-platforms (34 answers)
- https://sequenzy.com/email-marketing-for/enterprise (33 answers)
- https://ventureharbour.com/email-marketing-software-tools-one-best (19 answers)
- https://mailtrap.io/blog/email-marketing-platforms (18 answers)
- https://attentive.com/blog/best-email-marketing-platforms (17 answers)
- https://moosend.com/blog/enterprise-email-marketing-software (17 answers)
- https://hostinger.com/tutorials/best-email-marketing-platforms (15 answers)
- https://brevo.com/blog/enterprise-email-marketing (13 answers)
- https://klaviyo.com/blog/best-email-marketing-platforms (12 answers)

## Warned against

- Mailchimp: 22 of 25 labels negative. "Standard tools like Mailchimp or Constant Contact generally cannot handle the volume, API requirements, or enterprise-grade security protocols" (Qwen 3.7 Flash, paraphrase prompt)
- Constant Contact: 12 of 14 labels negative. "Users experienced issues with the platform's speed, limitations in automation capabilities... challenges with the platform's cost, especially for larger contact databases." (Claude Haiku 4.5, negative prompt)
- ActiveCampaign: 15 of 42 labels negative. "Avoid: Trying to force a mid-market tool (like standard ActiveCampaign or HubSpot) to handle 10 million+ contacts." (Qwen 3.7 Flash, negative prompt)
- HubSpot Marketing Hub: 13 of 68 labels negative. "Avoid: Trying to force a mid-market tool (like standard ActiveCampaign or HubSpot) to handle 10 million+ contacts." (Qwen 3.7 Flash, negative prompt)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat.
New leader: Adobe Marketo Engage (23%) to HubSpot Marketing Hub (34%). Margin 6 points, within noise.

- HubSpot Marketing Hub: 21% to 34%, +13. Cleared the floor by 2 points · rank 2 → 1 of 47.
- Salesforce Marketing Cloud: 19% to 9%, −10. Inside the floor by 1 point · rank 3 of 47, unchanged.
- Brevo: 12% to 6%, −6. Inside the floor by 5 points · rank 4 → 5 of 47.
- Adobe Marketo Engage: 23% to 28%, +5. Inside the floor by 6 points · rank 1 → 2 of 47.
- Salesforce Marketing Cloud Account Engagement: 0% to 4%, +4. Inside the floor by 7 points · rank 15 → 6 of 47.
- Klaviyo: 0% to 2%, +2. Inside the floor by 9 points · rank 52 → 10 of 47.
- Braze: 2% to 0%, −2. Inside the floor by 9 points · rank 8 → 11 of 47.
- ActiveCampaign: 4% to 4%, ±0. Inside the floor by 11 points · rank 5 → 7 of 47.
- Adobe Campaign: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 → 8 of 47.
- Oracle Eloqua: 2% to 2%, ±0. Inside the floor by 11 points · rank 9 of 47, unchanged.
- Iterable: 0% to 0%, ±0. Inside the floor by 11 points · rank 16 → 12 of 47.
- Constant Contact: 0% to 0%, ±0. Inside the floor by 11 points · rank 67 → 46 of 47.

## Record

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