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Overall score
80.3Good
—
Rank
#19
Prev: #17
saas avg
41.7
360 peers
Agent runs / week
2
Across 0 providers

Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents.

Audience
Developer
Markets
USGBFRITESAUSG
Locales
en-usen-gbdefr-frit-ites-esen-auen-sg
Opportunity cost · SaaS

Klaviyo could be leaving ~$1,339,600 in new ARR on the table every year

Stunt Double’s 2027 agent-traffic model projects 34% of trial, signup and plan selection sessions in the SaaS sector will be initiated or completed by AI agents[1][2]. Klaviyo currently scores 80.3 on the Stunt Double Index[3], with a 20-point gap to the ideal agent experience (100). The loss figure below applies that gap to the projected agent-driven slice of a typical annual recurring revenuebaseline for this sector — it is a directional estimate, not a measured conversion rate.

Gap to leader
19.7 pts
Above SaaS avg
0.0 pts
Modelled new ARR at risk
$1,339,600

Estimate assumes a $20M ARR baseline with agent-sourced expansion. Claim your domain to replace this placeholder with your reported new ARR.

Sources
  1. [1]Gartner (2025) — Intelligent Agents in AI Really Can Work Alone. Here’s How.
  2. [2]Adobe Analytics (2025) — Generative AI traffic to U.S. retail sites (weekly trend)
  3. [3]Stunt Double (2026) — Stunt Double Index methodology & scoring rubric

Category breakdown

Brand awarenessCan agents recognise you exist?
100
DiscoveryWill they pick you?
90
Information retrievalCan they read your site?
100
Market rankingWhere do you sit in the lineup?
25
AccuracyDo they tell the truth about you?
90
Task completionCan an agent complete a task on behalf of a user?
75
Delegated accessDo you let agents in, safely?
100
Contact & communicationCan an agent reach a human?
65

By agent provider

By agent provider
Session quality, 30-day rolling, N ≥ 10 per provider
Claude
Anthropic
0.0
ChatGPT Agent
OpenAI
0.0
Gemini
Google
0.0
Perplexity
Perplexity
Copilot
Microsoft
Browserbase Operator
Browserbase

Where agents get stuck

Public summary · full session replay available to verified owners
mediumMarket ranking
No Product/Service schema on the homepage. Agents can’t easily compare offerings.
lowMarket ranking
No review or aggregateRating schema. Agents have no signal for ranking vs peers.
mediumMarket ranking
No price visible to non-JS clients. Agents may report "pricing not disclosed".
lowAccuracy
No privacy policy linked from the homepage. Agents can’t cite policy when asked.
highTask completion
Homepage returns a bot-challenge / CAPTCHA. Agents can’t complete a task if they can’t load the site.
highDelegated access
No MCP manifest. Agents can’t auto-discover tools or delegated capabilities.
mediumContact & communication
No contact email visible in server-rendered HTML. Agents can’t fall back to email.
highTask completion
Claude hits a bot-challenge page on the homepage.
highTask completion
ChatGPT Agent hits a bot-challenge page on the homepage.
highTask completion
Gemini hits a bot-challenge page on the homepage.
highTask completion
Perplexity hits a bot-challenge page on the homepage.
highTask completion
Copilot hits a bot-challenge page on the homepage.
highTask completion
Browserbase Operator hits a bot-challenge page on the homepage.