Claude Sonnet 5 Review: Benchmarks, Real Cost and the Sonnet 5.5 Upgrade
Claude Sonnet 5 review: $2/$10 is now its permanent price, the tokenizer adds up to 35% more tokens, and Sonnet 5.5 costs the same. Which one to run now.
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 in 2026: Usage Limits, Fable Access and the New API Credits
Claude Code Pro is $20/mo, Max $100 and Ultra (ex-Max 20x) $200. Ultra drops the 5-hour limit; Max and Ultra add $100-200 in API credits plus Fable access.
Claude Fable 5 Review: 80% SWE-Bench Pro, but Read the Fine Print
Claude Fable 5 scored 80.3% on SWE-bench Pro at $10/$50 per 1M tokens. What changed since: Fable 5.1, cheaper cache reads, opt-in fallback and ZDR access.
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 (Opus 5.5) leads Terminal-Bench 4.0 and code quality. Codex CLI (GPT-6) is leaner on tokens and open source. Plans, API prices, sandboxes compared.
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.