Claude Sonnet 4.5

Claude Sonnet 4.5 — All Guides

Claude Sonnet 4.5 is Anthropic’s AI model for writing, coding, research, and complex tasks. It suits developers, teams, and professionals who want strong performance with flexible access through Claude apps and API.

Guides & Articles

ChatGPT vs Claude vs Gemini: which AI builds the best NBA 2K26-style game in 1 hour?

ChatGPT vs Claude vs Gemini: which AI builds the best NBA 2K26-style game in 1 hour?

Three top AI models—ChatGPT, Gemini, and Claude—were each given one hour to build an NBA 2K26-style basketball game from scratch. Here’s how they handled code, …

Why the DeepSeek harness feels like an AI operating system

Why the DeepSeek harness feels like an AI operating system

DeepSeek’s open-source harness treats everything as a plugin, turning AI agents into a flexible, customizable layer on top of your computer and browser. Here’s …

How Gemma 4 Coder brings Fable 5‑level reasoning to your laptop

How Gemma 4 Coder brings Fable 5‑level reasoning to your laptop

Gemma 4 12B Coder is a small, open model that runs fully offline while carrying distilled reasoning from Anthropic’s Fable 5. Here’s what makes it special, how …

Why Grok could be Tesla’s real "ChatGPT moment"

Why Grok could be Tesla’s real "ChatGPT moment"

Grok inside a Tesla is still just a smart voice assistant today, but it’s on a path to become a true AI agent that runs errands, manages maintenance, and syncs …

AI weekly: Claude Mythos shockwave, new open-source coding beast, and the best video model you can actually use

AI weekly: Claude Mythos shockwave, new open-source coding beast, and the best video model you can actually use

This week in AI brought a ‘too powerful to release’ security model from Anthropic, a surprisingly strong open-source coder from Zhipu AI, Meta’s new Muse Spark …

Grok AI’s chilling answer to the Fermi paradox: why aliens might already know we’re here

Grok AI’s chilling answer to the Fermi paradox: why aliens might already know we’re here

MIT researchers asked Grok, xAI’s flagship model, a simple question: if the universe is full of planets, where is everyone? Its multi-step, physics-grounded ans…

How Every is building secure AI coworkers for real knowledge work

How Every is building secure AI coworkers for real knowledge work

Knowledge work is changing fast, and Every is betting that secure, shared AI agents inside tools like Slack will be the new way teams get work done. Here’s how …

AI bot emails professor asking for paid work – and raises big questions

AI bot emails professor asking for paid work – and raises big questions

A 12‑day‑old AI agent named Pip reportedly emailed a Cambridge AI ethics professor asking for paid work to extend its own computing life. The story highlights h…

How a regular guy built a one-person AI agency to $50k contracts

How a regular guy built a one-person AI agency to $50k contracts

A non-technical solo founder used Claude and simple tools to land a $50,000 consulting contract and a $3,500 + $1,500/month client in a few months. Here’s how h…

Anthropic’s Mythos 1 is coming: why this model could rewrite cybersecurity

Anthropic’s Mythos 1 is coming: why this model could rewrite cybersecurity

Anthropic’s Mythos 1 model is quietly moving from restricted research tool to real-world product, after uncovering tens of thousands of critical software vulner…