# Klaviyo SMS: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 31 judge labels across 2 categories by 14 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/klaviyo-sms

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [SMS and WhatsApp marketing platforms](https://www.gane.ai/index/gtm/marketing/sms-and-whatsapp-marketing/index.md) | 5% | 5 | 13% | 30 |
| [Mobile marketing and push](https://www.gane.ai/index/gtm/marketing/mobile-marketing-and-push/index.md) | 0% | 45 | 0% | 1 |

## What the models said for it

- "The best SMS marketing platform for a company with a limited budget is Klaviyo, which offers a starting price of $20/mo" (Llama 4 Maverick, SMS & WhatsApp)
- "Unbeatable for e-commerce — it unifies customer data with SMS/WhatsApp campaigns and automations" (DeepSeek V4 Flash, SMS & WhatsApp)
- "For North American E-Commerce Brands: Choose Klaviyo (if unifying email and SMS)" (Gemini 3.5 Flash, SMS & WhatsApp)
- "for a typical U.S. Shopify store, start by comparing Klaviyo and Postscript" (GPT-6 Luna, SMS & WhatsApp)

## And against it

- "Many buyers report frustration with high costs and missing features, especially with platforms like Attentive, Postscript, and Klaviyo SMS." (Mistral Small, SMS & WhatsApp)
- "with Klaviyo SMS beside them — draw complaints about cost, getting data in, building flows, support, missing features and attribution" (Muse Glimmer 30B, SMS & WhatsApp)
- "Billing traps around "active profiles"... Strong overall (4+ stars), but watch billing closely." (Grok 4.20, SMS & WhatsApp)
- "Caveat: More B2C-oriented; steep learning curve and pricing can escalate with larger lists" (GLM 4.7 FlashX, SMS & WhatsApp)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 2 | 0 | 0 | 2 |
| GPT-5.4 mini | 0 | 0 | 1 | 0 | 1 |
| Gemini 3.5 Flash | 1 | 0 | 0 | 0 | 1 |
| Perplexity Sonar | 1 | 0 | 0 | 0 | 1 |
| Grok 4.20 | 0 | 1 | 1 | 1 | 3 |
| Mistral Small | 0 | 0 | 1 | 1 | 2 |
| DeepSeek V4 Flash | 1 | 2 | 1 | 0 | 4 |
| Llama 4 Maverick | 1 | 0 | 1 | 0 | 2 |
| Qwen 3.7 Flash | 0 | 2 | 0 | 0 | 2 |
| Kimi K2 | 1 | 0 | 2 | 0 | 3 |
| GLM 4.7 FlashX | 0 | 1 | 1 | 1 | 3 |
| MiniMax M2.5 | 0 | 1 | 2 | 0 | 3 |
| GPT-6 Luna | 1 | 0 | 0 | 0 | 1 |
| Muse Glimmer 30B | 1 | 1 | 0 | 1 | 3 |

## Sources returned with these answers

The sites and pages cited by the answers that named Klaviyo SMS, from 73 of the 87 answers that named it (only the models that return a source list).

### Domains cited

- braze.com: 34
- softwareadvice.com: 33
- g2.com: 25
- aboutmartech.com: 16
- capterra.com: 15
- mobile-text-alerts.com: 13
- plivo.com: 13
- socialintents.com: 13
- toolradar.com: 13
- alium.io: 12

### Pages cited

- https://braze.com/resources/articles/best-sms-marketing-platforms: 33
- https://softwareadvice.com/sms-marketing: 30
- https://g2.com/software/sms-marketing: 13
- https://socialintents.com/blog/best-whatsapp-marketing-tools: 13
- https://alium.io/research/top-complaints-sms: 12
- https://aboutmartech.com/blog/cheapest-sms-marketing-software-small-business: 11
- https://zapier.com/blog/best-sms-app: 11
- https://capterra.com/sms-marketing-software: 10

## The company

Klaviyo; https://www.klaviyo.com; Boston, United States; founded 2012; public, KVYO on New York Stock Exchange. From Wikidata, fetched 2026-09-14.

## What it publishes

Every page klaviyo.com exposes, read 2026-09-29: 10320 addresses. By kind, pages and the last 90 days:

- blog: 1015 pages, 9 in the last 90 days, latest 2026-09-28
- case study: 548 pages, 0 in the last 90 days, latest 2024-04-19
- webinar or virtual event: 1 pages, 0 in the last 90 days, latest undated
- conference or event: 22 pages, 0 in the last 90 days, latest 2025-11-05
- report or ebook: 40 pages, 0 in the last 90 days, latest 2024-11-15
- comparison: 72 pages, 0 in the last 90 days, latest 2026-01-29
- template or tool: 33 pages, 3 in the last 90 days, latest 2026-08-05
- glossary or explainer: 978 pages, 0 in the last 90 days, latest undated
- news or press: 112 pages, 0 in the last 90 days, latest 2025-05-22
- Recent: 2026-09-28 blog: Welcome email examples https://www.klaviyo.com/blog/welcome-email-examples
- Recent: 2026-09-28 blog: Winback email campaign examples https://www.klaviyo.com/blog/winback-email-campaign-examples
- Recent: 2026-09-28 blog: Chatgpt klaviyo best practices https://www.klaviyo.com/blog/chatgpt-klaviyo-best-practices
- Recent: 2026-09-25 blog: Halloween email and sms examples https://www.klaviyo.com/blog/halloween-email-and-sms-examples
- Recent: 2026-09-25 blog: Singles day marketing ideas https://www.klaviyo.com/blog/singles-day-marketing-ideas
- Recent: 2026-09-25 blog: Veterans day marketing ideas https://www.klaviyo.com/blog/veterans-day-marketing-ideas

## Record

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