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GTM AI Index
Index › Products › Vapi.ai · October 2026 Edition
1 category · Named, not ranked

Vapi.ai

14Judge labels
2First choices
7Negative labels
11 / 14Models named it
1Category
October 2026 Edition. Every number here is derived from the raw labels under vendor table v2026-10-05.2, every buyer segment counted.
Standing
6 labels, too few to rank
A product needs 10 labels in a category before a share or quadrant is stated. Vapi.ai was named 6 times in AI voice agents, where Retell AI led with 27%. The labels and the evidence are below, counted exactly.
By buyer segmentRead the same way at every buyer size.
In ai voice agents · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Vapi.ai for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrantSince September 2026
AI voice agentsCustomer3%10 of 10333%6under 10 labels · led by Retell AI at 27%

Movement

This is the first edition on this tier, so no move can be computed for Vapi.ai yet. From the next edition this section shows, per buyer segment and per category, whether its share moved by more than the measured noise floor.

By model

How each model treated Vapi.ai across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
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ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.500011
GPT-5.4 mini00000
Gemini 3.5 Flash10001
Perplexity Sonar00000
Grok 4.1 Fast00000
Mistral Small00011
DeepSeek V4 Flash00000
Llama 4 Maverick00101
Qwen 3.7 Flash00000
Kimi K200000
GLM 4.7 FlashX11002
MiniMax M2.500000
GPT-6 Luna00000
Muse Glimmer 30B00000

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct2 labelsNone
Paraphrase1 labelNone
Comparative1 labelNone
Budget-constrained3 labels2
Scale-constrained0 labelsNone
Negative7 labelsNone
First choiceAlternativeMentionNegative14 labels in all, every segment counted; 2 of the 2 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“If you have developers: Choose Vapi AI. It offers the most granular control over costs” GLM 4.7 FlashX · AI voice agents · budget prompt · first choice
“Vapi is widely regarded as one of the most flexible and cost-effective voice platforms.” Gemini 3.5 Flash · AI voice agents · budget prompt · first choice
“developer‑first, not mid‑market‑friendly” GLM 4.7 FlashX · AI voice agents · direct prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“Both Vapi.ai and Retell AI can suffer from latency and reliability issues due to reliance on external API providers” Claude Haiku 4.5 · AI voice agents · negative prompt · soft negative
“Why be cautious: Vapi is developer-only, meaning it's not suitable for non-technical teams.” Mistral Small · AI voice agents · negative prompt · soft negative

Named alongside

The products named in the same answers as Vapi.ai, over the 14 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Vapi.ai was named but was not.
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ProductSame answerTook the first choice insteadHead to head
Retell AI12 of 141Not among the top eight
Bland AI9 of 140Not among the top eight
Synthflow6 of 140Not among the top eight
CloudTalk5 of 142Not among the top eight
Synthflow AI4 of 140Not among the top eight
Brilo.ai3 of 141Not among the top eight
Air.ai2 of 140Not among the top eight
Five92 of 140Not among the top eight
Genesys Cloud CX2 of 140Not among the top eight
PolyAI2 of 140Not among the top eight
A head-to-head page exists where both products are among a category's top eight. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Vapi.ai. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 14 of the 14 answers that named Vapi.ai and are not a share of its labels.

Domains cited

cloudtalk.io13
retellai.com11
brilo.ai9
lindy.ai8
bland.ai6
synthflow.ai5
goodcall.com4
lumay.ai4
plivo.com4
vellum.ai4

Sixty-eight of the sixty-eight domain citations in answers naming Vapi.ai came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Search and answers

vapi.ai is not in Google's top ten for any of the category's searches. In the answers, Vapi.ai takes 3% of first choices and Retell AI takes 27%.
ShowHide

In search

Google, US estimates
Position for “ai voice agent platform”
–
not in the top ten
Position for “best ai voice agent platform”
–
not in the top ten
Organic visits to its site
about 30,606 a month
Searches its site ranks for
1,063 · 120 in the top three
Sites linking to it
3,369
Paid Google search
No ads found in the estimate; that does not mean it runs none
Ads on GoogleDetailLess
58 ads · 55 text, 2 image, 1 video · 13 shown in the last 30 days

First shown January 2026, as Vapi Inc., verified. Ads started 2025-11 to 2026-10: 58 in the year. 18 more by other advertisers linking to it.

On Google's pages: 1 2 3 4

In answers

This edition
Share of first choices
3%
rank 10 of 103 in AI voice agents
Segment leader
27%
Retell AI
First choices
2 across its categories
Named in
14 answers
Its own site cited
in 14 of the answers that named it

Search figures are US estimates from DataForSEO, read October 5, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.

What it publishes

ShowHide
Addresses on vapi.ai
1,429
subdomains included
Content
280
counted in the table below
Documentation
564
Product · Integration
1 · 0
KindPagesLast 90 days2025-10 to 2026-09LatestCategories named
Blog171112026-09-23
Template or tool37undated
Comparison3412026-08-25
Case study1102026-05-07
Report or ebook10undated
Glossary or explainer602025-06-09
Webinar or virtual event522026-09-24
Conference or event312026-09-16
Podcast or video202025-05-23
News or press1undated
How it is countedHide how it is counted

Every page vapi.ai exposes, subdomains included. Kind is read from the address and title. The last 90 days, the latest date and the twelve months count pages by when they were published, from the site's feeds, a date in the address, or the page's own publication date, read from up to a hundred of its most recently changed pages; a page that says only when it last changed is counted in its kind but not in when, so the recent counts are a floor, and a kind none of whose pages gives a publication date reads undated. An event counts as online when its address or title says so (webinar, on demand, virtual or online summit); a conference, summit, trade show, expo or roadshow that does not say so is counted as a conference or event, which on a vendor's site is mostly in person. Read September 29, 2026.

Names read as Vapi.ai

What the judge wrote, as written, with how often. The vendor table decides that these count as Vapi.ai; a claim can dispute any of them.
Vapi AI 3

Follow Vapi.ai

An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.

Already following? Everything you follow, with a stop for each.

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Vapi.ai's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Vapi.ai, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

What a new claim receivesHide what a new claim receives

A new claim receives the current edition's vendor brief for Vapi.ai by email, built from the raw record of the edition. It shows:

  • where Vapi.ai is named, by buyer and by framing, and which cells hold its first choices;
  • the claims the models make when they name it, ranked, with the strongest and the weakest quoted;
  • its vocabulary against the segment leader's, and the pages the models cited;
  • who was chosen in the answers that did not name Vapi.ai, and every reason the record gives;
  • a battlecard for each top rival: the head-to-head split, why they win, and the reservation quoted against them;
  • one page of published figures cleared to show a buyer.
The subscriber app

A verification link goes to your work email; an address at vapi.ai is approved on the spot, any other is reviewed by hand. Your email is never published. Claiming gives no say over labels, shares, verdicts or which quotes appear.