Google Programmable Search Engine vs. OpenSearch Comparison Chart

AddSearch goes beyond traditional site search with AI Answers and AI Conversations, enabling businesses to deliver direct, conversational, and context-aware responses. Combined with lightning-fast search and smart recommendations, AddSearch helps organizations create personalized, engaging digital experiences across websites and applications. Trusted by nearly 2,000 global customers in Media, Telecommunications, Government, Education, and more. AddSearch offers enterprise-grade features including advanced GenAI capabilities, personalization, advanced analytics, and SLA up to 99.999%. It works with any CMS, supports crawler or API-based indexing, and provides full setup services to save developer time. Built to deliver powerful search with AI Answers and Conversations that elevate digital experiences for website visitors—without adding complexity.

Guru is the AI Source of Truth for your company. It’s an AI knowledge platform that connects everything your teams know—across chats, docs, and apps—into one trusted layer that delivers cited, permission-aware answers everywhere you work. Guru automatically connects to tools like Slack, Teams, Google Drive, Confluence, Salesforce, Zendesk, and more, so employees and AI assistants can access verified knowledge directly in their workflow. Every answer shows where it came from, inherits existing permissions, and stays accurate automatically through built-in verification and expert updates. By connecting knowledge, making it accessible everywhere, and keeping it trustworthy automatically, Guru eliminates manual searches and ensures everyone—human or AI—works from the same truth.

Seobility checks your complete website, by crawling all linked pages. All found pages with errors, problems with the on-page optimization or problems regarding the page content like duplicate content are collected and displayed in each check section. Of course, you can also analyze all problems of a single page in our page browser. For a sustainable and continuous review of your website, each project is constantly crawled and analyzed by our crawlers to track the progress of your optimization. You will also be notified by our monitoring service with the status of your website via e-mail, if server errors and major problems occur. Seobility not only provides a detailed SEO audit but also gives tips and instructions on how to fix the problems found on your website. By fixing these issues, you make sure that Google can access all of your relevant content and understand what it’s about in order to match it with suitable search queries.

Haystack is a modern, easy-to-use intranet that connects everyone in your organization to the people, information, and resources they need to thrive. Automated multi-channel delivery ensures your most important messages cut through the noise and reach everyone at the right place and the right time. No-code customization and a modular design make it easy to keep key resources, knowledge, and organizational culture in the spotlight. Smart, integrated search empowers employees to spend less time searching for information, and more time making progress toward goals. A dynamic company directory and rich employee profiles make colleagues across the world feel like they’re right across the hall. With customizable iOS and Android mobile apps, Slack and Microsoft Teams integrations, and an intuitive design employees love, Haystack brings an outstanding digital employee experience to your entire workforce, no matter where their work takes them.

BoldTrail, the #1 rated real estate platform, is built to power your entire brokerage with next-generation technology your agents will use and love. Showcase your unique brand with customizable websites for your company, offices, and every agent. Maximize lead capture with a modern, portal-like consumer search experience and intelligent behavior tracking. Hyper-local area pages, home valuation pages and options for rich lifestyle data keep customers searching with your brokerage as the local experts. The most robust lead gen tools on the market help your brokerage, teams & agents effectively drive new business - no matter their budget. Empower your agents to generate free leads instantly with our simple to use landing pages & IDX squeeze pages. Drive more leads with higher quality and lower cost through in-house tools built within the platform. Diversify lead sources with our automated social media posting, integrated Google and Facebook advertising, custom text codes and more.

Criminal IP is a comprehensive threat intelligence search engine that detects vulnerabilities of personal and corporate cyber assets in real time and facilitates preemptive responses accordingly. Originated from the idea that individuals and corporations would be able to strengthen their cyber security by proactively acquiring information about IP addresses attempting to access your network, Criminal IP uses its big data of more than 4.2 billion IP addresses to provide threat-relevant information on malicious IPs and links, phishing sites, certificates, industrial control systems, IoTs, servers, security cameras, and so forth. With Criminal IP’s 4 main features (Asset Search, Domain Search, Exploit Search, and Image Search), you can find IP risk scores and related vulnerabilities of searched IP addresses and domains, details on the exploit codes for each service, and assets that are left wide open to cyber threats in the form of images respectively.

Semrush One is an all-in-one digital marketing platform designed to help brands win visibility across search engines, AI platforms, and emerging discovery channels. It unites traditional SEO tools with advanced AI search and GEO capabilities to measure and grow brand presence everywhere users search. The platform supports optimization across Google, ChatGPT, Perplexity, Gemini, and more from a single interface. Semrush One offers toolkits for SEO, content marketing, traffic analysis, local search, advertising, social media, AI visibility, and digital PR. Powered by one of the world’s largest AI-driven marketing databases, it delivers deep insights competitors can’t easily replicate. Enterprises and marketers use Semrush One to forecast traffic, revenue, and ROI with confidence. Trusted by millions of professionals and global brands, Semrush One acts as a central growth engine for digital visibility.

AthenaHQ is a cutting-edge platform for Generative Engine Optimization (GEO), designed to help brands optimize their visibility and performance across AI-driven search platforms like ChatGPT, Gemini, Perplexity, DeepSeek, Google's AI Overviews, and more. With Athena, companies can monitor AI perception, identify content gaps, and adjust strategies for better AI-driven discovery. AthenaHQ offers features like competitor analysis, sentiment analysis, and AI search volume tracking, making it easier for companies to align with the evolving search ecosystem. By understanding AI’s role in brand discovery, AthenaHQ empowers brands to stay ahead in the rapidly changing AI landscape.

Lenso.ai is a perfect example of an AI image search tool, where you can simply search for images that you are most interested in. Thanks to advanced AI technology implemented on lenso.ai, you can easily start searching for places, people, duplicates, related or similar images. The process of reverse image search with lenso.ai is significantly more accurate and efficient compared to traditional image search. Lenso.ai as an AI-powered reverse image tool, is designed to quickly analyze the image that you are searching for, pinpointing only the best matches. Besides that, search by image with lenso.ai does not require any specific background knowledge or skills. Reverse image search is designed to fit diverse needs, whether you're a professional photographer looking for different places/landscapes/landmarks, a marketer searching for related or similar images, an enthusiast exploring the duplicates/copyright or you want to protect your privacy using face search.

gPanel by Promevo is an all-in-one Google Workspace administration tool that simplifies and centralizes user management, security, and automation. Whether onboarding, offboarding, or managing users at scale, gPanel helps IT admins save time and reduce manual effort. With an intuitive, single-page interface, admins can automate tasks like provisioning, deprovisioning, user suspension, Gmail signature management, and Shared Drive access. gPanel offers granular control over Docs, Groups, Sites, and email settings. Unlike the native admin console, gPanel provides advanced visibility into Google Drive. Admins can search text across all user files, view sharing settings, and instantly transfer file ownership — making it ideal for reporting, offboarding, and compliance. Whether you need Google Workspace automation, user access management, or a Google Admin Console alternative, gPanel delivers smarter control and streamlined workflows.