# OneSignal vs Klaviyo: which do AI models recommend for mobile & push, October 2026

GTM AI Recommendation Index, October 2026 Edition, Mobile marketing and push. Five of fourteen models named OneSignal first on the direct prompt; zero named Klaviyo. Page: https://gtm-ai-index.com/marketing/mobile-marketing-and-push/onesignal-vs-klaviyo/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| OneSignal | 45% | #1 of 14 | 5% | 62 | 14 of 14 |
| Klaviyo | 2% | #6 of 14 | 21% | 28 | 13 of 14 |

## The direct prompt, model by model

- Perplexity Sonar: onesignal first (first choices: OneSignal) (alternatives: Attentive, CleverTap, Insider, MoEngage)
- Mistral Small: onesignal first (first choices: OneSignal, Pushwoosh) (alternatives: Insider)
- DeepSeek V4 Flash: onesignal first (first choices: OneSignal) (alternatives: Customer.io, Twilio Programmable Messaging)
- Kimi K2: onesignal first (first choices: OneSignal) (alternatives: ActiveCampaign, Customer.io, Iterable)
- MiniMax M2.5: onesignal first (first choices: OneSignal) (alternatives: Braze, MoEngage, Salesforce Marketing Cloud, Twilio Programmable Messaging)
- Claude Haiku 4.5: neither first, one named (first choices: Customer.io) (alternatives: ActiveCampaign, Courier, OneSignal, Pushwoosh, Vero)
- GPT-5.4 mini: neither first, one named (first choices: Braze) (alternatives: Airship, Iterable, OneSignal)
- Gemini 3.5 Flash: neither first, one named (first choices: Customer.io, Sakari) (alternatives: ActiveCampaign, OneSignal)
- Grok 4.1 Fast: neither first, one named (first choices: Customer.io) (alternatives: Braze, OneSignal, Pushwoosh, Vero)
- Llama 4 Maverick: neither first, one named (first choices: Pushwoosh) (alternatives: Attentive, Klaviyo)
- GLM 4.7 FlashX: neither first, one named (first choices: Customer.io) (alternatives: OneSignal)
- GPT-6 Luna: neither first, one named (first choices: Customer.io Journeys) (alternatives: Braze, OneSignal)
- Qwen 3.7 Flash: neither named (first choices: Customer.io) (alternatives: Braze, HubSpot Marketing Hub)
- Muse Glimmer 30B: neither named (first choices: Customer.io) (alternatives: Braze, Iterable)

## What the models said about OneSignal

- "OneSignal relies primarily on FCM for Android delivery, which creates reliability issues in markets like China where Google services are blocked." (Muse Glimmer 30B, negative prompt, soft negative)
- "Budget-friendly, easy setup, good for lean teams | Less enterprise depth for complex journeys" (DeepSeek V4 Flash, scale prompt, soft negative)
- "Be cautious with: OneSignal (verify new pricing works for you)" (Kimi K2, negative prompt, soft negative)
- "I'd recommend OneSignal as the starting point—it's cost-effective, has strong deliverability, and handles both push and SMS well." (MiniMax M2.5, direct prompt, first choice)

## What the models said about Klaviyo

- "Attentive and Klaviyo are phenomenal for SMS, but they are built for Shopify/e-commerce. They struggle with B2B data models" (Gemini 3.5 Flash, direct prompt, hard negative)
- "E-commerce powerhouse (Shopify/others); SMS + email automation, personalization via data; high deliverability" (Grok 4.1 Fast, comparative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.