Codex

Codex — All Guides

Codex is OpenAI's AI coding agent that writes features, fixes bugs, runs tests, and prepares code for review. It's built for developers and engineering teams who want to delegate complex coding tasks and ship software faster.

Guides & Articles

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…

Why Claude Fable 5 was blocked and 15 other wild AI updates this week

Why Claude Fable 5 was blocked and 15 other wild AI updates this week

Anthropic’s most powerful model, Claude Fable 5, was abruptly blocked for non‑US users over security concerns. At the same time, Elon Musk reportedly became the…

AI news: GPT-5.5, next-gen images, Claude Design, and a wave of new models

AI news: GPT-5.5, next-gen images, Claude Design, and a wave of new models

This week brought one of the biggest jumps in AI we’ve seen all year: OpenAI launched GPT‑5.5 and a top‑ranked image model, Anthropic shipped powerful new desig…

AI weekly: Claude Opus 4.7 rumors, new GPT image model, MiniMax M2.7, and more

AI weekly: Claude Opus 4.7 rumors, new GPT image model, MiniMax M2.7, and more

This week in AI brings reports of a nerfed Claude Opus 4.6 ahead of a possible 4.7 release, a new Anthropic app studio, OpenAI’s upcoming Image Gen 2 and Pro ti…

What AI agent skills are and how they actually work

What AI agent skills are and how they actually work

AI agents are great at reasoning, but terrible at following your 47‑step workflow. That’s where AI agent skills come in. This guide explains what skills are, ho…

How to build a consistent YouTube brand with Thumbnail Creator’s AI Brand Kits (2026 guide)

How to build a consistent YouTube brand with Thumbnail Creator’s AI Brand Kits (2026 guide)

Discover how Thumbnail Creator’s AI-powered brand kits, pro templates, and smart editing tools can help you design consistent, high-converting YouTube thumbnail…

Hermes Agent v0.17 brings async sub-agents, iMessage, and smarter automation

Hermes Agent v0.17 brings async sub-agents, iMessage, and smarter automation

Hermes Agent v0.17 is a major release focused on real-world automation: async sub-agents, iMessage integration, Raft support, image editing, automation blueprin…

Top 5 beginner-friendly AI courses to start in 2026

Top 5 beginner-friendly AI courses to start in 2026

Thinking about learning AI from scratch in 2026? This guide compares 5 of the best beginner-friendly AI courses based on cost, duration, curriculum, projects, a…

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…

Claude Fable 5 banned worldwide: what it means for AI and the economy

Claude Fable 5 banned worldwide: what it means for AI and the economy

Claude Fable 5, described as Anthropic’s most powerful AI model yet, has been abruptly banned for all non‑US users. Here’s what the reported ban means, why Anth…