resources Archives - Radarkit

The Fall of AI Visibility Platforms: What Happened to Bear AI and Hall AI

Hall AI shutting down in 2026 was a turning point for the AI visibility market. A tool that promised to show brands how often they appeared in ChatGPT, Perplexity and Google’s AI features suddenly went offline, leaving customers without dashboards, history or a clear migration path. Hall was not the only one. Bear AI, a Y Combinator-backed AI visibility startup, also moved away from its original product, joining a growing list of GEO and AI visibility tools that either quietly shut down, froze development, or were forced into “maintenance mode” after failing to reach sustainable scale.

Best AI SEO Agents for 2026: Our Hands-On Comparison

In this article, we will explore the best AI SEO Agents for 2026 and what they do and how they help you with your work. Search behavior is changing quickly. People still use Google, but they also ask ChatGPT, Perplexity, Gemini, Copilot, and Google AI Mode for product comparisons, recommendations, and quick answers. That shift creates a new visibility challenge. A brand can rank well in traditional search results but still be absent from the AI-generated answers customers see. AI SEO agents help close that gap by turning search visibility data into clear tasks.

5 Zero Click SEO Tips for Better GEO Visibility

In this article, we are going to explore what Zero Click SEO is and will share 5 tips to do Zero Click SEO. So, without any further ado, let’s get started. Quick Checklist for Zero Click SEO for GEO:

25 Best AI Search Tracking and Visibility Tools for 2026

This article highlights the 25 best AI Search Rank Tracking and Visibility Tools so you can monitor mentions, citations, and AI rankings across multiple engines and turn those insights into actions that keep your brand visible in both blue links and AI‑generated content. So, without any further ado, let’s get started. What is AI Search Visibility? AI search visibility refers to how prominently a brand appears in AI-generated search results and AI responses across platforms such as Google AI Overviews.

8 Best AEO Tools for Agencies in 2026 (Tested & Compared)

The Best AEO Tools help agencies monitor AI visibility, track citations, analyze competitors, uncover optimization opportunities, and report results across multiple AI platforms. However, not all AEO tools are built the same. Some focus on AI search intelligence, others focus on content optimization, while a few are building entirely new infrastructure for AI discovery. To help you choose the right platform, we’ve compared the 8 best AEO tools for agencies based on features, agency workflows, reporting capabilities, and overall value.

Erlin AI Review 2026: Pricing, Pros, Cons, and a Better Alternative

In this article, we will look into an Erlin AI Review and Alternative so you can decide whether it deserves a place in your stack and what to pick if it doesn’t. We’ll walk through how Erlin AI works, its main features, pricing, pros and cons, and then finish by covering Radarkit as the best Erlin AI alternative for teams that want a more straightforward AI visibility tracker with flexible entry-level pricing.

5 Best Tools to Track Query Fanout Keywords in 2026

Finding the Best Tools to Track Query Fanout keywords is no longer a niche SEO task. It has become part of modern AI search work because one prompt can now be split into multiple hidden searches that influence which brands get cited, which pages get pulled in, and which competitors stay visible across Google AI Mode, ChatGPT Search, Perplexity, and other answer engines. If you track only one main keyword, you are looking at the surface, while the real competition often occurs across the fanout paths beneath it.

How to Monitor Competitor Mentions in AI Search

To monitor competitor mentions in AI search, we first need to accept that buyer discovery has changed. People are no longer relying only on traditional search results to compare tools, services, and brands, because platforms like ChatGPT, Perplexity, and Google’s AI experiences now shape which names get recommended early in the decision-making process. That means if your competitors are showing up in AI answers and you are not, you can lose visibility before a potential customer even visits a website.

How LLMs Work: A Complete Guide to Large Language Models

This guide explains how LLMs work, and it also covers the real mechanics that make them possible, from tokens and embeddings to transformers, training, inference, safety, and limitations. Large language models have quickly gone from being a niche research topic to becoming the engine behind chatbots, AI writing tools, coding assistants, enterprise search, and many of the most talked-about products in technology.

Hall AI Review 2026: Features, Pricing, Pros & Cons

In this Hall AI review, we’ll take a closer look at the platform, what it does and how it works, and whether it makes sense for your business. We’ll go over its key features, pricing structure, and a few solid alternatives, so you can see where it fits in today’s AI-driven search landscape. You’ll also get a clear sense of how Hall AI can help your brand stay visible and competitive in 2025 and beyond.