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

How to build your own agentic harness in Python

How to build your own agentic harness in Python

Learn how to build an AI agentic harness from scratch in Python without relying on heavy frameworks. This guide walks through LLM chat, tool calling, MCP integr…

GPT-5.5 vs DeepSeek V4: new models, new benchmarks, and a growing compute war

GPT-5.5 vs DeepSeek V4: new models, new benchmarks, and a growing compute war

GPT‑5.5 and DeepSeek V4 arrived within hours of each other, and both could shape how millions use AI. Here’s what the new benchmarks, safety findings, and compu…

How to use DeepSeek V4 Pro & Flash for free with NVIDIA NIM

How to use DeepSeek V4 Pro & Flash for free with NVIDIA NIM

DeepSeek V4 Pro and V4 Flash are now available through NVIDIA’s NIM APIs with free developer access. Here’s how to connect them to your apps, coding tools, and …

How Ilya Sutskever helped ignite the modern AI revolution

How Ilya Sutskever helped ignite the modern AI revolution

From AlexNet to GPT, Ilya Sutskever has been at the center of the biggest breakthroughs in modern AI. This article traces his journey, the ideas behind his work…

ChatGPT tutorial 2025 for seniors and complete beginners

ChatGPT tutorial 2025 for seniors and complete beginners

New to ChatGPT and not sure where to start? This step‑by‑step 2025 guide walks seniors and beginners through what ChatGPT is, how to sign up safely, how to use …

24 AI updates you should know about this week

24 AI updates you should know about this week

From Anthropic’s new Claude Duet assistant to major PHP and infrastructure security scares, this week in AI was packed. Here’s a clear breakdown of 24 important…

GPT‑5.6 vs Claude Mythos 5: what the leaks are really telling us

GPT‑5.6 vs Claude Mythos 5: what the leaks are really telling us

Leaked details suggest OpenAI’s GPT‑5.6 and Anthropic’s Claude Mythos 5 are about to redefine what top‑tier AI models can do. Here’s how they compare on UI gene…

Can Claude Opus 4.6 really do PhD‑level maths?

Can Claude Opus 4.6 really do PhD‑level maths?

A deep dive into how Anthropic’s Claude Opus 4.6 performs on PhD‑level maths, coding, and finance workflows—compared with ChatGPT Plus and Google Gemini. The ve…

Why the AI world is excited—and a little scared—right now

Why the AI world is excited—and a little scared—right now

New image models, powerful personal AI agents, cheaper LLMs, and fast-moving research are pushing AI forward at an incredible pace. But inside leading labs, top…

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, …