# Customer.io vs MoEngage: which do AI models recommend for mobile & push, September 2026

GTM AI Recommendation Index, September 2026 Edition, Mobile marketing and push. Six of twelve models named Customer.io first on the direct prompt; zero named MoEngage. Page: https://gtm-ai-index.com/marketing/mobile-marketing-and-push/customer-io-vs-moengage/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Customer.io | 34% | #2 of 17 | 7% | 27 | 12 of 12 |
| MoEngage | 2% | #6 of 17 | 18% | 11 | 6 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: customer.io first (first choices: Customer.io) (alternatives: Courier, Knock, OneSignal)
- Perplexity Sonar: customer.io first (first choices: Customer.io) (alternatives: ActiveCampaign, Courier)
- Mistral Small: customer.io first (first choices: Customer.io) (alternatives: ActiveCampaign, OneSignal)
- DeepSeek V4 Flash: customer.io first (first choices: Customer.io) (alternatives: CleverTap, OneSignal, Vero)
- Qwen 3.7 Flash: customer.io first (first choices: Customer.io, Vero)
- Kimi K2: customer.io first (first choices: Customer.io) (alternatives: OneSignal, Vero)
- Claude Haiku 4.5: neither first, one named (first choices: Vero) (alternatives: Customer.io, Knock)
- GPT-5.4 mini: neither first, one named (first choices: Braze) (alternatives: Customer.io)
- Grok 4.1 Fast: neither first, one named (first choices: OneSignal) (alternatives: ActiveCampaign, CleverTap, Customer.io, Pushwoosh)
- GLM 4.7 FlashX: neither first, one named (first choices: OneSignal) (alternatives: Customer.io, Pushwoosh, SendPulse)
- MiniMax M2.5: neither first, one named (first choices: OneSignal) (alternatives: ActiveCampaign, Customer.io)
- Llama 4 Maverick: neither named

## What the models said about Customer.io

- "flags less public failure visibility and incompletely documented retry/fallback behavior" (Perplexity Sonar, negative prompt, soft negative)
- "Customer.io — Trustpilot Problems ... Trustpilot rating: 2.8/5" (GLM 4.7 FlashX, negative prompt, soft negative)
- "Customer.io is the best match for a mid-market B2B company that needs both mobile push notifications and SMS marketing in one platform" (Perplexity Sonar, direct prompt, first choice)
- "OneSignal Professional, CleverTap, Customer.io, or MoEngage deliver enterprise-grade capabilities at a fraction of the cost" (DeepSeek V4 Flash, scale prompt, first choice)
- "Customer.io: Best for product-led growth (PLG) and B2B/SaaS companies... transparent pricing model." (Gemini 3.5 Flash, scale prompt, first choice)

## What the models said about MoEngage

- "If you are a startup, mid-market business, or have a small engineering team, these platforms are massive overkill." (Gemini 3.5 Flash, negative prompt, soft negative)
- "OneSignal Professional, CleverTap, Customer.io, or MoEngage deliver enterprise-grade capabilities at a fraction of the cost" (DeepSeek V4 Flash, scale prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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.