o3 by OpenAI

o3 by OpenAI — All Guides

OpenAI o3 is an advanced reasoning model built for complex writing, coding, research, and analysis. It suits developers, teams, and power users who need stronger logic, multimodal understanding, and reliable answers.

Guides & Articles

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 …

OpenAI GPT‑5.4: the new all‑in‑one model for coding, agents, and knowledge work

OpenAI GPT‑5.4: the new all‑in‑one model for coding, agents, and knowledge work

GPT‑5.4 merges OpenAI’s best reasoning, coding, and agent capabilities into a single flagship model with a 1M token context window. Here’s how it compares to Cl…

Stop using Claude? Why so many power users are switching to OpenAI Codex

Stop using Claude? Why so many power users are switching to OpenAI Codex

Codex is emerging as OpenAI’s “super app” for AI agents, coding, documents, and automation. This guide explains what makes Codex different from ChatGPT and Clau…

OpenAI GPT Image 2 is wild: 10+ powerful ways to use it right now

OpenAI GPT Image 2 is wild: 10+ powerful ways to use it right now

OpenAI’s new GPT Image 2 model is topping community leaderboards and pushing past Nanobanana 2 on realism, text, and layout. Here’s how it stacks up—and more th…

Get free API keys for popular AI models in 2026 (Claude, OpenAI, Gemini & more)

Get free API keys for popular AI models in 2026 (Claude, OpenAI, Gemini & more)

Want to experiment with top AI models without burning through your credit card? This guide walks you through several platforms that give you free or low-cost AP…

Why everyone is arguing about whether AI progress has slowed down

Why everyone is arguing about whether AI progress has slowed down

Is AI progress speeding up or stalling out? This article breaks down the debate over post‑GPT‑4 progress, coding agents, and whether AI is really helping build …

Why an Illinois AI “safety” bill could become a license to harm

Why an Illinois AI “safety” bill could become a license to harm

An Illinois bill called the Artificial Intelligence Safety Act sounds like it’s about protecting people, but critics say it mainly protects big AI companies fro…

Codex full course 2026: how to build real apps, docs, and automations with OpenAI’s new desktop agent

Codex full course 2026: how to build real apps, docs, and automations with OpenAI’s new desktop agent

This in-depth guide walks through OpenAI’s Codex desktop app: how it manages projects and files, uses skills and plugins, automates workflows, and even builds f…

Did GPT Image 2 just beat ‘Nanobanana’? hands-on review and tips

Did GPT Image 2 just beat ‘Nanobanana’? hands-on review and tips

OpenAI’s new GPT Image 2 model is finally here, and it’s aiming straight at Google’s Gemini ‘Nanobanana’ image tools. We break down where it shines, where it st…

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…