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Field Notes
The Gemini Feature That Worked in the Demo but Failed in Production
A practical two-pass Gemini workflow for turning customer interview notes into defensible produc...
Build with the API
Building a Simple Retrieval-Augmented Gemini App
A practical two-pass Gemini workflow for turning customer interview notes into defensible produc...
Gemini Fundamentals
Grounding, Search, and the Difference Between an Answer and Evidence
A clear distinction between answers and evidence in Gemini systems, with practical rules for req...
Workflow Lab
How to Use Gemini for Weekly Growth Reporting Without Losing Judgment
A practical weekly growth-reporting workflow that uses Gemini for structured change detection an...
Build with the API
Connecting Gemini to LangChain Without Hiding the Important Parts
How to integrate Gemini with LangChain while keeping model choice, prompts, tool validation, and...
Field Notes
When Switching from OpenAI to Gemini Is Actually Worth It
Practical conditions under which switching from OpenAI to Gemini has been worth the effort, and ...
Workflow Lab
My Weekend Road-Trip Planning Workflow with Gemini, Maps, and a Spreadsheet
A lightweight personal workflow that uses Gemini for research and drafting, Google Maps for real...
Field Notes
Why I Built a Blog About Making Gemini Actually Useful
This is the origin story of geminibuildlab.com — a Gemini API tutorial blog written by Leo Whita...
Gemini Fundamentals
Gemini Models Explained Without the Marketing Fog
A practical, marketing-free explanation of Gemini model differences focused on latency, cost, co...
Build with the API
Your First Gemini API Request in Python
A complete beginner tutorial for making the first Gemini API request in Python, covering setup, ...
Workflow Lab
How I Use Gemini During a Normal Startup Workday
A realistic walkthrough of how Gemini is used during a normal startup workday for triage, meetin...
Gemini Fundamentals
Gemini API vs. Vertex AI: What Is the Difference?
A practical comparison of the Gemini API (AI Studio) and Vertex AI Gemini focused on authenticat...
Build with the API
Environment Variables, API Keys, and the Security Mistakes Beginners Make
Practical guidance on storing and loading Gemini API keys safely, covering the most common begin...
Gemini Fundamentals
Context Windows: What Gemini Actually Remembers
A practical examination of Gemini context windows focused on usable quality, measured degradatio...
Workflow Lab
A Practical Gemini Workflow for Summarizing Long Meeting Notes
A practical three-stage Gemini workflow for meeting notes that separates cleaning, factual extra...
Build with the API
Structured JSON from Gemini with Validation and Retry Logic
A production-minded pattern for obtaining structured JSON from Gemini: define the schema in code...
Field Notes
I Tested Gemini, ChatGPT, and Claude on the Same Product Task
A side-by-side test of Gemini, ChatGPT, and Claude on a realistic product task of analyzing cust...