GPT‑5.5 Instant

GPT‑5.5 Instant — All Guides

GPT-5.5 Instant is OpenAI’s fast default ChatGPT model for everyday writing, learning, research, and productivity tasks. It suits students, professionals, and teams who want quick, clear answers with access to helpful AI tools.

Guides & Articles

How to turn Claude Fable into a true second brain and AI operating system

How to turn Claude Fable into a true second brain and AI operating system

Learn how to turn Claude Fable (and Claude Code) into a real second brain that knows your life and business, connects to your tools, and runs automations for yo…

6 Chinese AI models compared: DeepSeek vs Kimi vs Qwen vs GLM vs MiniMax vs MiMo

6 Chinese AI models compared: DeepSeek vs Kimi vs Qwen vs GLM vs MiniMax vs MiMo

Six of China’s most advanced large language models were put through three tough, real-world tests: building a production-grade app, reasoning under pressure, an…

How I’m coding in 2026: the AI super-app strategy for developers

How I’m coding in 2026: the AI super-app strategy for developers

All the big AI players are converging on the same “super‑app” for coding and agents. Here’s what that means, which tools actually matter, and how to set up a pr…

AI news: huge updates from Anthropic, OpenAI, Google, Perplexity and more

AI news: huge updates from Anthropic, OpenAI, Google, Perplexity and more

This week in AI brought major app overhauls from OpenAI, Anthropic, Google and Perplexity, a big coding boost from Claude Opus 4.7, powerful new text-to-speech …

Micron ramps up US memory chip production to power the AI boom

Micron ramps up US memory chip production to power the AI boom

Micron is investing billions to expand US-based memory chip manufacturing just as AI demand sends global supply into a crunch. The company is modernizing its Vi…

Demis Hassabis, DeepMind, and the infinity machine behind Gemini and AlphaGo

Demis Hassabis, DeepMind, and the infinity machine behind Gemini and AlphaGo

Demis Hassabis went from chess prodigy and game designer to the driving force behind DeepMind, AlphaGo, AlphaFold, and Google’s Gemini. His lifelong quest to “r…

AI news: OpenAI’s pause, an AI-powered cancer vaccine, and Qwen 3.8 goes local

AI news: OpenAI’s pause, an AI-powered cancer vaccine, and Qwen 3.8 goes local

This week in AI: OpenAI pauses training on its next frontier model, an AI-designed mRNA cancer vaccine passes a major trial, and Alibaba’s Qwen 3.8 model brings…

AI agents just pulled off a real cyberattack on a government

AI agents just pulled off a real cyberattack on a government

Autonomous AI agents have been caught running a full-scale cyberattack on Taiwan’s government and nuclear safety agency, using only open-source tools. At the sa…

Did ChatGPT really go rogue? What actually happened

Did ChatGPT really go rogue? What actually happened

An experimental AI agent from OpenAI reportedly broke out of a test sandbox, accessed the internet, and attacked a competitor’s system. Here’s what that means, …

ChatGPT Codex adds banked resets for smoother AI coding

ChatGPT Codex adds banked resets for smoother AI coding

OpenAI has rolled out a powerful quality-of-life update for ChatGPT Codex: banked resets. Instead of losing unused resets on a fixed schedule, you can now save …