Comparison
Sonnet 5.5 vs Opus 5.5: Half the Price, Not Half the Bill
Sonnet 5.5 costs half as much per token as Opus 5.5. Then Artificial Analysis measured what a task actually costs, and the rate card stopped mattering.
Topic hub
Anthropic
Every Run the Eval review, comparison, and guide about Anthropic — no hype, just receipts.
Comparison
Opus 5.5 vs Grok 4.7 vs MiMo V2.6: The 'Cheap' Model Cost Twice as Much
Three launches in 48 hours. The one with the lowest sticker price ran the biggest bill, the open-weights model matched it for a twentieth of the cost, and Opus finally got its comeback episode.
Explainer
Why the AI Bosses Suddenly Want to Slow Down
In one week, the people building the most powerful AI on earth started telling everyone to ease off the gas. Here's what actually happened, in plain English, and what's real versus what's hype.
Comparison
Claude Fable 5.1 vs GPT-6 Astra: Same Price, Different Bill
Anthropic and OpenAI landed flagships 48 hours apart at the identical $10/$50. The sticker matches. What you actually pay does not.
How-To
How to Use Claude Code Hooks
Stop retyping the same instruction every session. Hooks turn 'please run the formatter' into a rule the tool can't forget — four steps, straight from the docs.
Explainer
Claude Managed Agents: Delegation, Explained
Anthropic built the control tower — sandboxing, checkpoints, a grader model that fails your agent until it passes. I read the whole spec like an SRE. Here's the paper verdict.
Explainer
What Is MCP? The USB-C Port for AI Agents, Explained
It's the plumbing for the agentic era. One open standard, and your AI stops needing custom glue code for every tool it touches.
Comparison
GPT-5.6 vs Claude: One Chart, Two Stories, Zero Access
OpenAI's launch chart crowns GPT-5.6 Sol. Cool chart. One of these model families bills to a credit card today, and the other is behind a government-approved velvet rope.
Explainer
What Is Claude Tag? Anthropic Put Claude in the Group Chat
One Claude per Slack channel, with a memory the whole team shares. Claude Tag is Anthropic's answer to AI's single-player problem — and the memory is the whole story.
Explainer
Claude Code Artifacts: Your Terminal Just Got a Live URL
Anthropic taught the terminal to publish. Here's how Claude Code Artifacts turn a session into a live, private web page — and the three walls you'll hit first.
Explainer
Fable 5 Is Back. The World It Left Isn't.
The export ban is over and the flagship is back online. But watch the shape of the return — frontier AI now comes with a guest list, and that structure isn't going anywhere.
Explainer
Why the Government Pulled Anthropic's Fable 5: The Real Story
The most powerful model on the market went dark days after launch. Here's what's actually known, what isn't, and what it means for you.
Comparison
Claude vs ChatGPT: Which AI Assistant Is Actually Better in 2026?
We ran both on the same real work for weeks. Here's who wins, where, and why — no hype, just receipts.