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OpenAI Launches GPT-5.5-Cyber: A Specialized Model for Cybersecurity Defenders Protecting Critical Infrastructure
ByMarkos Symeonides May 18, 2026May 10, 2026 Reading Time: 5 minutes

May 7, 2026 – OpenAI today announced the launch of GPT-5.5-Cyber, a groundbreaking AI model tailored specifically for cybersecurity defenders working to secure critical infrastructure. Available initially in a limited preview, GPT-5.5-Cyber combines cutting-edge language model capabilities with enhanced security controls to support advanced security operations in industries where safeguarding…

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AI News Downloads

GPT-5.5 Instant Is Now the Default ChatGPT Model: What Changed and Why It Matters
ByMarkos Symeonides May 10, 2026 Reading Time: 9 minutes

OpenAI has officially made GPT-5.5 Instant the default model for all ChatGPT users. Here’s what changed, what it means for your workflows, and how to get the best results from this faster, smarter model.

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ChatGPT Prompts Downloads

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ByMarkos Symeonides May 10, 2026 Reading Time: 10 minutes

OpenAI Codex isn’t just for developers anymore. This comprehensive guide shows non-technical professionals how to use Codex for document automation, data analysis, email management, and everyday productivity tasks.

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AI News Downloads

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ByMarkos Symeonides May 10, 2026 Reading Time: 9 minutes

OpenAI launches a self-serve advertising platform inside ChatGPT. Learn how the new ad system works, what it means for marketers, pricing models, and how it compares to Google and Meta advertising.

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Untitled
ByMarkos Symeonides May 10, 2026 Reading Time: 10 minutes

Master GPT-5.5 Instant with this comprehensive prompting guide. Learn the new techniques, strategies, and templates that work best with OpenAI’s latest default model for research, coding, creative work, and business tasks.

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Claude Code in May 2026: Doubled Rate Limits, SpaceX Compute Deal, and What It Means for Developers
ByMarkos Symeonides May 7, 2026 Reading Time: 15 minutes

Anthropic doubles Claude Code rate limits and announces a major SpaceX compute partnership. Here’s what the expanded capacity and infrastructure deal means for developers in 2026.

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GPT-5.5 Instant Rolls Out as ChatGPT’s New Default: 52% Fewer Hallucinations and Memory Sources
ByMarkos Symeonides May 7, 2026 Reading Time: 16 minutes

OpenAI officially releases GPT-5.5 Instant as the default ChatGPT model, delivering 52% fewer hallucinations, transparent Memory Sources, and enhanced personalization for all users.

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GPT-Rosalind and GPT-5.4-Cyber: How OpenAI’s Specialized Models Are Reshaping Industries
ByMarkos Symeonides April 17, 2026April 25, 2026 Reading Time: 14 minutes

OpenAI unveils GPT-Rosalind for drug discovery and GPT-5.4-Cyber for cybersecurity. Explore how these specialized AI models are transforming healthcare and digital security in 2026.

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OpenAI Codex Gets Massive Update: Background Computer Use, Built-In Browser, and 90 New Plugins
ByMarkos Symeonides April 17, 2026April 25, 2026 Reading Time: 15 minutes

OpenAI’s Codex receives its biggest update yet with background computer use, a built-in browser, and over 90 new plugins. Here’s everything developers need to know about the April 2026 release.

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AI Guides & Tutorials AI Workflows ChatGPT Prompts Downloads Featured

GPT-5.3 Codex: Revolutionizing Software Development ( Part 1 of 7 )
ByMarkos Symeonides March 28, 2026April 24, 2026 Reading Time: 12 minutes

The ChatGPT Coding Masterclass Series introduces the transformative potential of GPT-5.3-Codex for developers in 2026. It covers topics like AI integration in programming, command-line interfaces, advanced prompt engineering, and IDE setups. The guide provides a foundational understanding to build autonomous coding agents, enhancing software development workflows significantly.

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