GTM AI Index
Index Customer In-app messaging › Customer.io vs Pushwoosh
In-app messaging and customer communications · September 2026 Edition

Customer.io vs Pushwoosh

One of twelve models named Customer.io first on the direct prompt; zero named Pushwoosh. Customer.io was named by ten of the twelve models and Pushwoosh by eight and Customer.io carries 16 labels and Pushwoosh 10, so the shares are not directly comparable.

Customer.io

accepted challenger

Named in seven categories this edition.

Pushwoosh

accepted challenger

Fairfax, United States, founded 2014. Named in three categories this edition.

First-choice share5%5%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%10%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#6A position in a field of 15; printed, not drawn.
Labels1610A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Customer.io reading right to left. Rank and label count are printed, not drawn.Userpilot was named alongside these two in ten of the twelve direct answers. Intercom vs Customer.io · Intercom vs Pushwoosh · Userpilot vs Customer.io

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; every quote names the model and the prompt it came from. Both figures come from the in-app messaging and customer communications page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
Customer.ioFirst choices, of twelve modelsPushwoosh
Direct10
Paraphrase10
Comparative00
Budget-constrained02
Scale-constrained001 against Pushwoosh
Negative001 against Customer.io
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Customer.io and Pushwoosh stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
Customer.io Pushwoosh first choice named as an alternative argued againstblank: not namedEach cell is one answer, Customer.io on the left and Pushwoosh on the right.

The direct prompt

The plain question, one answer per model, grouped by where Customer.io and Pushwoosh stood in it.

Customer.io first, Pushwoosh not the choice

1 of 12 modelsPushwoosh was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashCustomer.io, Gleap, Userpilot alternatives: Front, Userflow

Neither was the first choice, one was named

2 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Intercom alternatives: Customer.io, Product Fruits, Userpilot
MiniMax M2.5Product Fruits, Userpilot alternatives: Appcues, Customer.io, Intercom, Pendo

Neither was named

9 of 12 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniAppcues alternatives: Intercom, Pendo, Userpilot
Perplexity SonarIntercom alternatives: Appcues, Userpilot
Grok 4.1 FastStream Chat alternatives: CometChat, Intercom
Mistral SmallUserpilot alternatives: Intercom, Product Fruits
DeepSeek V4 FlashIntercom alternatives: Appcues, Chameleon, Gleap, Userpilot
Llama 4 Maverickno first choice
Qwen 3.7 FlashIntercom, Product Fruits alternatives: Appcues, Userpilot
Kimi K2Userpilot alternatives: Appcues, Pendo
GLM 4.7 FlashXUserpilot alternatives: Appcues, Intercom, Product Fruits, UserGuiding

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Customer.io leads by two points.
Customer.io2%#10 of 12
Pushwoosh0%#– of 12
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Customer.io5%#4 of 15
Pushwoosh5%#6 of 15
The full mid-market standing →
Enterprise
The order flips: Pushwoosh leads at enterprise.
Pushwoosh2%#– of 13
Customer.io0%#– of 13
The full enterprise standing →

What the models said about Customer.io

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.

“Can be overkill compared with PLG-focused tools” Perplexity Sonar · negative prompt · soft negative

What the models said about Pushwoosh

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.

“Pushwoosh (from $0) | Cheaper start, but spikes at volume.” Grok 4.1 Fast · scale prompt · soft negative
“Winner: Pushwoosh Pushwoosh is widely considered the most cost-effective platform for sending in-app messages” Qwen 3.7 Flash · budget prompt · first choice
“Pushwoosh emerges as the best in-app messaging platform for companies with limited budgets” MiniMax M2.5 · budget prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.