In the rapidly evolving landscape of artificial intelligence, the conversation has shifted. We’ve moved past the novelty of simple, one-size-fits-all chatbots and are now entering a more mature, strategic phase: the era of the AI specialist. For entrepreneurs, business leaders, and creators, this isn’t just an academic distinction; it’s a fundamental change in how we can build, scale, and delegate intelligent work. We are no longer just using AI; we are building with it.
Many have become familiar with OpenAI’s Custom GPTs, which opened the door to personalizing AI. However, a powerful new contender has entered the arena, built on one of the most capable AI engines in the world. I’m talking about Google Gems, a framework for creating highly customized, task-specific AI assistants powered by the formidable Gemini family of models. Gems represent a significant step forward, not as mere chatbots, but as trainable, shareable, and scalable digital team members. They are tools designed for builders.
This article serves as a comprehensive guide for the forward-thinking user who understands that the real value of AI lies not in generic conversation, but in specialized application. We will explore what Gems are, how they differ from their ChatGPT counterparts, and provide a practical roadmap for building and deploying them. We will also address the recent, game-changing enhancements Google has introduced, particularly the ability to share Gems, which transforms them from personal productivity tools into powerful assets for team collaboration.
Finally, we will have a direct and honest conversation about the security considerations involved — a crucial topic for any principled entrepreneur building with new technology.
What Are Google Gems? More Than a Chatbot, an AI Apprentice
At its core, a Google Gem is a personalized version of Gemini, Google’s flagship AI. But to label it a “custom chatbot” is to miss the point entirely. A chatbot is reactive; a Gem is a specialist you train. Think of it less as a conversational partner and more as an apprentice you can mold for a specific role within your organization. You provide the instructions, the context, and the proprietary knowledge, and the Gem becomes an expert dedicated to that function.
This is made possible by the powerhouse running in the background: Gemini 2.5. This model is renowned for its vast context window and sophisticated reasoning capabilities. With the much-anticipated release of Gemini 3.0 on the horizon — promising even greater accuracy and more advanced multimodal understanding — the potential for these AI specialists is set to expand exponentially.
A Gem’s purpose is defined by its creator. You can build a Gem to be a meticulous Code Reviewer that understands your company’s specific programming standards, a Marketing Copywriter that has mastered your brand’s unique tone and voice, or a Proposal Builder that can generate sales documents based on your proven best practices. The power of a Gem lies in this specialization. By offloading repetitive, knowledge-based tasks to a trained AI, you and your team are free to focus on higher-level strategic work.
Gems vs. Custom GPTs: A Comparative Overview for the Builder
While Gems and OpenAI’s Custom GPTs share the same foundational goal of creating personalized AI assistants, their design philosophies and capabilities present different strategic advantages. For the entrepreneur deciding where to invest their time and resources, understanding these distinctions is key. The choice is not merely about features, but about which ecosystem best aligns with your workflow and long-term objectives.
Here is a breakdown of their core differences:
| Feature | Google Gems | OpenAI Custom GPTs | Strategic Implication for Builders |
|---|---|---|---|
| Cost of Entry | Free for anyone with a Google account. | Requires a paid ChatGPT Plus subscription to create. | Gems are more accessible. This democratizes the ability to build, allowing anyone on your team, from intern to executive, to experiment and create value without a financial barrier. This fosters a culture of innovation from the ground up. |
| Sharing & Collaboration | Newly enabled (Sept. 2025); works like Google Drive (share with specific users with view/edit permissions). | Well-established with a public GPT Store and multiple sharing options (private, link-only, public). | Gems are designed for controlled collaboration. The Google Drive-style sharing is perfect for internal teams and controlled external partners. Custom GPTs, with their public store, are geared more toward mass distribution and discovery, which may or may not align with your business goals. |
| Knowledge Integration | Upload up to 10 files; direct integration with your Google Drive and Workspace (Gmail, Docs). | Upload up to 20 files; can connect to external APIs via custom actions. | Gems excel in a Google-centric workflow. The native access to your existing documents and data within Google Workspace is a massive, frictionless advantage for businesses already embedded in that ecosystem. Custom GPTs offer more flexibility for integrating with diverse, non-Google external services via APIs. |
| Creation Process | Manual instruction writing, with an AI-powered assistant to help expand and refine your prompts. | Offers a conversational “Create” mode to build, and a more detailed “Configure” mode. | Gems favor a builder’s direct approach, while Custom GPTs offer a guided, conversational setup that is friendly for beginners. The manual-first approach of Gems gives the creator more direct control from the start. It’s a subtle difference, but one that may appeal to those who prefer to architect their systems with precision. |
The Game-Changer: Sharing Gems to Scale Expertise
Until recently, the primary limitation of Google Gems was their solitary nature. They were powerful, but they were personal. That all changed in September 2025 with the introduction of a feature that fundamentally redefines their strategic value: the ability to share Gems.
This is not a minor update; it is the key that unlocks their potential for organizational scaling. Sharing a Gem works with the same familiar, intuitive permissions system as Google Drive. You can share a Gem with specific individuals or teams, granting them either “Viewer” or “Editor” rights. This simple mechanism has profound implications.
Imagine a scenario: your head of marketing, an expert in your company’s brand identity, spends a few hours crafting a “Brand Voice Specialist” Gem. They upload your brand guidelines, provide examples of on-tone and off-tone copy, and write a detailed set of instructions defining the persona. Now, instead of that expertise remaining siloed, they can share that Gem with the entire marketing and sales team. Every team member, regardless of their writing skill, now has an AI partner that can generate social media posts, draft email campaigns, and review copy to ensure it aligns perfectly with the company’s voice. The expert’s knowledge has been codified and scaled, creating a force multiplier for the entire organization.
This is where Gems transition from being a personal tool to a strategic business asset. You can build a library of proprietary AI specialists — for finance, for operations, for customer support — and distribute them across your company, ensuring consistency, quality, and efficiency at scale.
How to Build Your First Gem: A Step-by-Step Guide for Entrepreneurs
Creating a Gem is a straightforward process, accessible to anyone with a Google account — a key advantage, as it encourages experimentation without requiring a paid subscription. The process is designed for a builder’s mindset, focusing on clear instructions and direct input.
Here is the foundational workflow:
- Initiate Creation: Navigate to the Gemini web app (gemini.google.com) and find the “Explore Gems” section. From there, select “New Gem” to open the creation interface.
- Define the Core Instructions: This is the heart of your Gem. In the instructions box, you will define the Gem’s persona, task, context, and desired output format. Be specific and direct. For example, instead of saying “Write social media posts,” you might instruct: “You are a witty and insightful social media strategist for a BB SaaS company. Your task is to generate three engaging Twitter (X) posts under 280 characters for each article I provide. The tone should be professional yet approachable, and each post must end with a question to encourage engagement.”
- Upload Knowledge Files: To give your Gem specialized knowledge, you can upload up to 10 files. These can be documents from your computer or, more powerfully, files directly from your Google Drive. This is where you provide your brand guidelines, product specifications, customer personas, or any other proprietary data that will inform the Gem’s expertise.
- Refine and Test: As you build, you can use the preview window to test your Gem with sample prompts. If the output isn’t quite right, you can refine your instructions. Google also provides a helpful “magic wand” feature that uses AI to expand and improve upon your initial instructions, which can be a great way to add more detail and clarity.
- Save and Share: Once you are satisfied with your Gem’s performance, save it. It will now appear in your list of custom Gems, ready for you to use or share with your team.
A Principled Approach to Security: Understanding the Risks of Sharing
As with any powerful technology, it is our responsibility as builders to understand its limitations and potential risks. The ability to share Gems introduces a significant security consideration that every user must be aware of, particularly when sharing outside of a trusted internal team.
When you share a Google Gem, you are also sharing its underlying architecture. A user with access to your Gem can, with relative ease, view the complete set of custom instructions and the names of the files you have uploaded. They can see the prompt engineering that makes your Gem unique. While they cannot access the content of your uploaded files unless you have also shared those files with them in Google Drive, they can see the blueprint of your AI specialist.
For an entrepreneur who has invested significant time and intellectual property into crafting a highly specialized and effective Gem, this is a critical point. If you’ve developed a proprietary process or a unique analytical framework and encoded it into a Gem’s instructions, sharing that Gem externally is akin to giving away your secret recipe. While this is also technically possible with OpenAI’s Custom GPTs, it is generally considered to be easier and require less technical knowledge to accomplish with a shared Google Gem.
This does not mean the sharing feature is flawed; it simply means it must be used with intention and a clear understanding of the trade-offs. The implications are clear:
- For Internal Teams: Sharing Gems within your organization is a low-risk, high-reward activity. It fosters collaboration and scales internal expertise efficiently.
- For External Sharing: Exercise caution. Only share Gems with trusted partners, and avoid including highly sensitive or proprietary business logic in the instructions of any Gem that will be distributed outside your organization.
This is not a reason for fear, but a call for principled and informed action. The immense value of sharable Gems can be realized safely by adopting a clear policy: treat the instructions of your shared Gems as public-facing information.
The Future is Specialized: Why Gems Are a Leap Forward
Google Gems are more than just another entry in the crowded field of AI tools. They represent a strategic shift toward building customized, expert systems that are deeply integrated into the workflows where real work happens. The lack of a public-facing “Gem Store” like OpenAI’s is not a weakness, but a reflection of a different philosophy: one that prioritizes controlled, purposeful application over mass-market discovery.
By running on the cutting-edge Gemini 2.5 and with the promise of Gemini 3.0, Gems have the raw power to handle complex reasoning and analysis. Their seamless integration with Google Workspace and the intuitive, Drive-like sharing mechanism make them a natural fit for the millions of businesses that already operate within the Google ecosystem.
For the principled entrepreneur, the path forward is clear. The opportunity is not just to use AI, but to build with it — to create a team of digital specialists that can amplify your organization’s intelligence, creativity, and efficiency. Google Gems provide a powerful, accessible, and scalable platform to do just that.
Your first step is simple. Whether you have a free or paid Gemini account, the tools are available to you now. Try creating your first Gem today. Start with a simple, repetitive task, provide it with clear instructions and the right knowledge, and watch as you build not just a tool, but your first AI specialist.
References
- Google Workspace. (2025, September 18). Boost team productivity with the Gemini app,
featuring new sharable Gems. Google Workspace Blog.
https://workspace.google.com/blog/product-announcements/-ways-to-boost-your teams-productivity-with-the-gemini-app-featuring-new-sharable-gems - Mast, J. (2025, September 20). Google Gems are SHAREABLE but they are also
UNSECURE. Facebook. https://www.facebook.com/jonathanjmast/posts/google-gems are-shareable-but-they-are-also-unsecure-// - Caswell, A. (2025, October 16). Gemini 3.0 Pro might already be here — what we know so
far. Tom’s Guide. https://www.tomsguide.com/ai/google-gemini/gemini—pro-might already-be-here-what-we-know-so-far - Learn Prompting. (2025, August 8). Custom GPTs vs. Gemini Gems: Who Wins?. Learn
Prompting’s Newsletter. https://newsletter.learnprompting.org/p/custom-gpts-vs gemini-gems-who-wins - Google. (n.d.). Tips for creating custom Gems. Gemini Apps Help. Retrieved October 20,
2025, from https://support.google.com/gemini/answer/15235603?hl=en
