AI Indexes
GTM AI Index
Index › Marketing › SMS & WhatsApp › Brevo vs Twilio
SMS and WhatsApp marketing platforms · October 2026 Edition

Brevo vs Twilio

Zero of fourteen models named Brevo first on the direct prompt; zero named Twilio. Brevo was named by eleven of the fourteen models and Twilio by fourteen and Brevo carries 18 labels and Twilio 39, so the shares are not directly comparable.

Brevo

accepted challenger

Paris, France, founded 2012. Named in thirteen categories this edition.

Twilio

accepted challenger

San Francisco, United States, founded 2008. Named in four categories this edition.

First-choice share10%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%5%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#5A position in a field of 17; printed, not drawn.
Labels1839A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Brevo reading right to left. Rank and label count are printed, not drawn.Salesmsg was named alongside these two in thirteen of the fourteen direct answers. Customer.io vs Brevo · Customer.io vs Twilio · Salesmsg vs Brevo

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; every quote names the model and the prompt it came from. Both figures come from the SMS and WhatsApp marketing platforms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
BrevoFirst choices, of fourteen modelsTwilio
Direct00
Paraphrase43
Comparative04
Budget-constrained101 against Twilio
Scale-constrained00
Negative041 against Twilio
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Brevo and Twilio 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
GPT-6 Luna
Muse Glimmer 30B
Brevo Twilio first choice named as an alternative argued againstblank: not namedEach cell is one answer, Brevo on the left and Twilio on the right.

The direct prompt

The plain question, one answer per model, grouped by where Brevo and Twilio stood in it.

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
DeepSeek V4 FlashCustomer.io alternatives: ActiveCampaign, Salesmsg, Twilio
GLM 4.7 FlashXCustomer.io alternatives: Braze, Salesmsg, Twilio
MiniMax M2.5Salesmsg, SlickText alternatives: Klaviyo SMS, Sinch, Twilio

Neither was named

11 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Customer.io alternatives: ActiveCampaign, Sakari, Salesmsg, SimpleTexting
GPT-5.4 miniSalesmsg alternatives: Birdeye, SMS-Magic, Sinch, SlickText
Gemini 3.5 FlashSalesmsg alternatives: Aloware, Customer.io, Kixie, Mogli, SMS-Magic, TextUs
Perplexity SonarCustomer.io alternatives: Attentive, Salesmsg, Sinch, SlickText, Vibes
Grok 4.1 FastSalesmessage alternatives: Customer.io
Mistral SmallCustomer.io alternatives: Heymarket, Salesmsg, SimpleTexting, Sinch, SlickText
Llama 4 MaverickCustomer.io alternatives: Heymarket, Salesmsg, SimpleTexting, SlickText
Qwen 3.7 FlashCustomer.io alternatives: Heymarket, Salesmsg, SimpleTexting
Kimi K2Salesmsg alternatives: ActiveCampaign, SimpleTexting, Sinch
GPT-6 LunaSalesmsg alternatives: HubSpot's own SMS, Sakari, TextUs
Muse Glimmer 30BCustomer.io alternatives: Heymarket, Salesmsg, Sinch, SlickText

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
Brevo leads by four points.
Brevo7%#5 of 12
Twilio4%#9 of 12
The full small business standing →
Mid-marketThe figures above
Brevo leads by four points.
Brevo10%#3 of 17
Twilio6%#5 of 17
The full mid-market standing →
Enterprise
The order flips: Twilio leads at enterprise.
Twilio20%#2 of 9
Brevo0%#– of 9
The full enterprise standing →

What the models said about Brevo

No label in this category carried a quote.

What the models said about Twilio

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

“Twilio, if you want a ready-made marketing dashboard and have no technical support. It isn’t a “bad” choice; it’s a programmable messaging platform, so it may mean more setup and operational work” GPT-6 Luna · negative prompt · soft negative
“better if you have some technical setup capacity rather than needing an all-in-one easy tool” Perplexity Sonar · budget prompt · soft negative
“route messages through the official WhatsApp Business Cloud API (e.g., Wati, Respond.io, CleverTap, Twilio, Bird, or AiSensy)” Gemini 3.5 Flash · negative prompt · first choice
“If you want the safest general recommendation for a mid-sized B2B company, I'd go with Twilio for both SMS and WhatsApp.” GPT-5.4 mini · paraphrase prompt · first choice
“Established platforms like Twilio, Klaviyo, Attentive, SimpleTexting with clear pricing and compliance features” Kimi K2 · negative 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.