Author: Markos Symeonides

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25 ChatGPT-5.5 Prompts for Technical Writing — API Documentation, Architecture Decision Records, Runbooks, and Developer Guides
ByMarkos Symeonides July 18, 2026October 12, 2026 Reading Time: 7 minutes

This masterclass provides 25 production-ready prompts tailored for ChatGPT-5.5 to create high-quality technical documentation. Each prompt is copy-paste-ready and organized into five focused sections: API Documentation, Architecture Decision Records (ADRs), Operational Runbooks, Developer Guides, and Release Documentation. For every prompt you’ll find: context variables to substitute, exact prompt text, the…

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The Complete Guide to GPT-5.6 Luna for High-Volume Production — Classification, Routing, Summarization, and Cost Optimization at Scale
ByMarkos Symeonides July 18, 2026October 12, 2026 Reading Time: 17 minutes

Author: Markos Symeonides Summary: GPT-5.6 Luna (Luna) — the fast, low-latency member of the Sol/Terra/Luna trio on Amazon Bedrock — is tailored for very high-volume inference workloads such as classification, summarization, routing, and real-time applications. This guide provides architecture details, production-ready classification pipelines, summarization workflows, smart escalation/routing rules (when to…

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How to Build a Multi-Agent Workflow with ChatGPT Work and GPT-5.6 Terra — Connecting Gmail, Slack, and GitHub for Automated Project Management
ByMarkos Symeonides July 18, 2026October 12, 2026 Reading Time: 20 minutes

Author: Markos Symeonides Introduction and scope The advent of ChatGPT Work, released to the public on July 9, 2026, introduced a new paradigm for enterprise automation: the orchestration of multi-step, multi-program agent workflows that can operate across apps and services with minimal human intervention. Paired with the GPT-5.6 Terra medium-tier…

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GPT-5.6 Sol Vision Capabilities: What the Strongest Vision Model Means for Document Processing, OCR, and Visual AI Workflows
ByMarkos Symeonides July 18, 2026October 12, 2026 Reading Time: 20 minutes

Author: Markos Symeonides Published: July 9, 2026 — Overview of OpenAI’s GPT-5.6 Sol vision model and practical implications for OCR, invoice extraction, chart interpretation, handwriting recognition, multi-page PDF analysis, and enterprise visual AI workflows. Executive summary On July 9, 2026, OpenAI released GPT-5.6 Sol, a milestone vision-capable foundation model that…

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Why OpenAI Killed Legacy Models and What the Streamlined ChatGPT Means for Enterprise AI Strategy
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 22 minutes

Featured Analysis: OpenAI Deprecates Legacy Models and Streamlines the ChatGPT Interface in 2026 Published: July 17, 2026 | Author: Markos Symeonides OpenAI’s 2026 decision to retire legacy models and simplify the ChatGPT interface marks a structural pivot in how the company ships AI capabilities. This move consolidates a historically sprawling…

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The Codex Computer Use Playbook — 10 Automation Prompts for Windows Desktop Tasks
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 30 minutes

Codex Computer Use on Windows: A 10‑Prompt Automation Playbook Author: Markos Symeonides | Published: July 17, 2026 Codex Computer Use turns natural language instructions into concrete desktop actions, reliably automating what a human would do on a Windows machine: opening apps, navigating UI elements, reading on‑screen content, inputting data, and…

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30 ChatGPT-5.5 Mini Prompts for Data Analysis — From CSV Cleaning to Dashboard-Ready Insights
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 31 minutes

30 Copy-Paste-Ready Prompts for Data Analysis with ChatGPT-5.5 Mini Published: July 17, 2026 | Author: Markos Symeonides Introduction: Why ChatGPT-5.5 Mini is ideal for data analysis ChatGPT-5.5 Mini stands out for day-to-day data analysis because it emphasizes practical speed, predictable costs, and strong reasoning guided by structured outputs. In typical…

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The Complete Guide to ChatGPT Work Mode vs Codex Mode — When to Use Each, Feature Differences, and Productivity Workflows
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 21 minutes

The Definitive Guide to Chat Mode vs Work/Codex Mode in the Unified ChatGPT App (2026) Published: July 17, 2026 | Author: Markos Symeonides This guide distills how OpenAI’s unified ChatGPT app now operates across two distinct yet interoperable modes: Chat Mode for conversational reasoning, ideation, and content work; and Work/Codex…

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How to Set Up Codex Computer Use on Windows — Remote Desktop Automation, Task Scheduling, and Workflow Integration
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 26 minutes

Codex Computer Use on Windows: A Complete, Practical Tutorial Published: July 17, 2026 | Author: Markos Symeonides Codex Computer Use is a paradigm shift in desktop automation. Instead of writing brittle scripts keyed to window titles and pixel offsets, an AI agent observes the Windows desktop and performs human-like actions—clicking,…

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OpenAI Unifies ChatGPT and Codex Into a Single Desktop App — What Changes for Users in July 2026
ByMarkos Symeonides July 17, 2026October 12, 2026 Reading Time: 26 minutes

OpenAI folds ChatGPT and Codex into a single desktop app: modes, backlash, and a new bet on consolidation Published: July 17, 2026 — Author: Markos Symeonides In a decisive shift for its consumer and developer lineups, OpenAI has unified ChatGPT and Codex into a single desktop application with a dual-mode…

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