Agent Beat[1]

Sunday, September 20, 2026

10 stories · 5 topics · 6 outlets

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Answer Engines5Research & Data1Agent-to-Agent Marketing2Search & Platforms1Earnings1
Answer Engines

ChatGPT leads, but Gemini posts the biggest gain; AI search usage tops 50% for the first time, CyberAgent survey finds

A CyberAgent survey says AI search usage in Japan passed 50% for the first time, with ChatGPT the most used tool and Gemini the fastest growing. The survey also found 47% of respondents said they moved more than half of their searches to AI. Marketers should treat AI assistants as a primary discovery surface and track brand mentions across ChatGPT and Gemini, not only traditional search results.

Web担当者Forum(in Japanese)Read at source ↗

Answer Engines

5

Ads that no human can see are now being sold

TIME serves a second version of its site that only AI crawlers see, and it sells ad space on that version, with Ally Bank and the Project Management Institute as the first advertisers, according to the Mobinside column. TIME says bots now outnumber human visitors on most days. Marketers should expect a market for placements that only models read, and should write claims they are happy to have quoted back when someone asks a chatbot which brand to pick.

모비인사이드(in Korean)↗

9 best AI search engines in 2026 [tested & reviewed]

Semrush reviewed nine AI search engines for 2026. The post is meant to help marketers choose where to track or earn AI visibility. Marketers should use the comparison to decide which answer engines to monitor first.

Semrush Blog (AI Toolkit)↗

Does arXiv.org help with visibility in ChatGPT?

arXiv.org is one of the sources ChatGPT prefers, according to SEO Südwest. The outlet asks whether publishing research there can improve AI visibility. Marketers with technical or research content should test whether putting work on arXiv changes how often ChatGPT cites them.

SEO Südwest(in German)↗

LinkShare Japan adds article headline optimization analysis to SEO and AI search tool LinkSurge

LinkShare Japan added a feature to its LinkSurge tool that diagnoses how suitable each heading block is for citation in AI search and suggests improvements. The tool is meant to help optimize articles for AI citations. Marketers should consider checking headings and content blocks for AI citation potential, not only for classic ranking keywords.

Web担当者Forum(in Japanese)↗

Research & Data

1

Ahrefs doubles API quota for AI tools and expands conversation analysis with ChatGPT and Claude

Ahrefs increased the monthly API units available for AI tools and expanded analysis of conversations with ChatGPT and Claude, according to the Japanese report. The change gives marketers more room to run competitor and keyword research inside AI workflows. Marketers using AI assistants for SEO should expect to pull more Ahrefs data per month and to analyze AI conversations for AEO.

Web担当者Forum(in Japanese)↗
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Agent-to-Agent Marketing

2

Dentsu Digital launches agentic commerce optimization service for AI autonomous buying

Dentsu Digital started a service to help brands prepare product data so AI agents can understand and recommend products, and to test buying paths. The company says the service is aimed at an era when AI agents buy on a user's behalf. Marketers should review whether their product feeds and structured data are ready for agent-mediated shopping, not just human storefronts.

Web担当者Forum(in Japanese)↗

Salesforce AI Force, Agents as UI, The Race to Headless

Stratechery argues Salesforce is giving up user interface as a competitive moat because interfaces are disappearing. The column links that shift to agents becoming the interface and to headless commerce. Marketers selling through agent interfaces should expect product data and checkout to matter more than a branded storefront.

Stratechery↗

Search & Platforms

1

Google Discover tests a 'Dive Deeper' button that could cut website traffic

Google is preparing a test of a new button in Discover that opens AI search, according to SEO Südwest. The button could send fewer clicks to the sites named in Discover. Marketers should watch whether Discover referrals drop if the test expands.

SEO Südwest(in German)↗

Earnings

1

HubSpot Q2 2026: AEO launches with 32% of Marketing Hub Pro+ customers activating

HubSpot launched AEO in April, both inside Marketing Hub and as a stand-alone product. CEO Yamini Rangan said, "We launched HubSpot AEO in April, both within Marketing Hub and as a stand-alone product. And since then, 32% of Marketing Hub Pro+ customers have activated AEO and nearly 16,000 customers have activated a stand-alone AEO trial in Q2." Rangan also said the agents now in market include "AEO agents to show up in LLMs," putting AI-search visibility among HubSpot's agent products and trials.

The Motley Fool↗