Articles

Type: Prompting Playbook Table of Contents Introduction Modernization Principles and Guardrails How to Use Codex Effectively in Modernization Prompt Structure Pattern Prompt 1: Legacy Codebase Rapid Assessment Prompt 2: Dependency and Interface Mapping Prompt 3: Microservices Decomposition Blueprint Prompt 4: Bounded Context and API Contract Extraction Prompt 5: Data Domain…

ChatGPT-5.5 Masterclass for Startup Founders — 35 Prompts to Build, Validate, and Scale Published by chatgptaihub.com — a practical masterclass that gives founders immediate, copy-pasteable prompts for Pitch Decks, Market Research, Competitive Analysis, Fundraising, and Go-to-Market planning using ChatGPT-5.5. How to use this masterclass This guide is designed for busy…

Note on currency of information: This guide synthesizes community practices, model-class patterns, and publicly discussed design trends of “Instant”-style models. Details of GPT-5.5 Instant and any June 2026 upgrades may have evolved since your last documentation check. Always verify current model identifiers, pricing, quotas, and features in the official OpenAI…

Using ChatGPT-5.5 for Financial Modeling: A Complete Guide Build robust revenue forecasts, run bull/bear/base scenarios, generate institutional-grade investment memos, get DCF assistance, and automate sensitivity tables—augmented by ChatGPT-5.5. Table of Contents Introduction and Key Concepts Setup and API Integration Prompt Design for Finance Use Cases Revenue Forecasting with ChatGPT-5.5 Scenario…

Type: News/Feature | Published: July 3, 2026 OpenAI’s first foray into developer-facing hardware is set to arrive on July 15, 2026. The device, called Codex Micro, is a compact, square-shaped controller with multiple programmable buttons intended to give developers instant, low-friction access to Codex agents without leaving their current app…