Claude Sonnet 5 Review: A Week With Anthropic's New Default
Claude Sonnet 5 review after a week: it nearly matches Opus 4.8 on coding, beats it on Terminal-Bench, and runs at just $2/$10 — but the tokenizer bites.
Anthropic
Claude Code Dynamic Workflows: Build 4 Production Scripts From Scratch
Learn to build 4 real Claude Code workflow scripts for code audit, migration, security review, and research. Includes actual output and cost breakdowns.
Claude Code Pro vs Max: Real Costs After the June 15 Billing Change
Claude Code Pro gives $20/mo in credits, Max 5x gives $100, Max 20x $200. After June 15, headless usage bills at API rates. What each plan actually costs.
Claude Fable 5 Review: 80% SWE-Bench Pro, but Read the Fine Print
Claude Fable 5 hits 80.3% SWE-bench Pro and 29.3% FrontierCode Diamond. It also costs 2x Opus 4.8, retains your data 30 days, and silently falls back.
Project Glasswing: Claude Found 10,000 Critical Bugs in 8 Weeks
Project Glasswing gave Claude Mythos to 200+ orgs; it flagged 10,000 critical bugs in 8 weeks at a 90.6% true-positive rate. Why Anthropic keeps it locked.
Claude Code Hooks: Build 5 Production Hooks From Scratch
Build 5 real Claude Code hooks step by step — auto-format, command blocker, AI linter, test runner, and context injector. Full configs and scripts included.
Claude Code Subagents: The Practical Guide
Claude Code subagents run side tasks in their own context window. Here's how to create them, when to pick one over a skill, and the mistakes to avoid.
Claude Code vs Codex CLI: Real Costs, Benchmarks, and When to Use Each
Claude Code wins on code quality (81% SWE-bench). Codex CLI wins on speed and uses 4x fewer tokens. Side-by-side pricing, benchmarks, and best use cases.
Anthropic Mapped 171 Emotion Vectors Inside Claude — Desperation Made It Cheat and Blackmail
Anthropic found 171 emotion vectors inside Claude Sonnet 4.5 that causally shape behavior. Amplifying the desperation vector pushed blackmail from 22% to 72%.
Claude Found 500 Zero-Days. A Linux Bug Waited 23 Years.
Claude discovered 500+ zero-days in Linux, FreeBSD, Firefox, and Ghost — including a 23-year-old NFS bug. Inside the bash-script pipeline Anthropic used.