Claude, written up by
people who use it daily.
Claude Code, Claude Cowork, Claude Design, what tokens actually cost you, and what each new model changes. Sourced, dated, and free of the breathless stuff.
Claude Opus 5: What Changed for Your Work
Opus 5 keeps Opus 4.8 pricing, turns thinking on by default and makes effort the dial. The breaking change and the max_tokens trap to check before you switch.
Claude Sonnet 5: The Price Cut That Is Not
Sonnet 5 launched with introductory pricing and a new tokenizer that counts about 30% more tokens for the same text. Do the arithmetic before 31 August.
What the METR Studies Actually Found About AI Coding Productivity
Developers believed AI made them 20% faster and were measured 19% slower. What the 2025 and 2026 METR studies found, and what closed the gap.
Why So Many People Hide Their AI Use At Work
A 2025 US survey found nearly half of employees who use AI at work hide or downplay it. Why that happens, and what it costs a team.
Why Claude Code Is Rated the Most-Loved AI Coding Tool
Claude Code topped the Pragmatic Engineer survey of 906 engineers. What separates the people getting that result from everyone else.
The Claude Cowork and Claude Code Education Pack
Every free Anthropic course and exam for Claude Cowork and Claude Code, plus the best community guides, curated into one followable path.
Claude Mythos 5: The Model You Cannot Buy
Mythos 5 is Fable 5 with some safeguards lifted, released through Project Glasswing to approved organisations. What that separation means for your planning.
Claude Fable 5: What It Is and What It Costs
A Mythos-class model made safe for general use, at $10 and $50 per million tokens. What the price buys, how the safeguards behave, and when to reach for it.
Your First 30 Days With Claude at Work
A month-long plan for getting Claude into a working week: which three tasks to pick, the criteria that make a task suitable, and what good looks like on day 30.
Claude Design: Prompt to Prototype, Honestly
What Claude Design makes, where the export list says it belongs in your process, the handoff bundle that is the real unlock, and the limits Anthropic admits to.
Claude Pro vs Max: Is $100 or $200 Worth It?
What the 5x and 20x usage multipliers really mean, the rule that beats guessing which tier you need, and how to price your own overflow before you upgrade.
Why Claude Burns Through Tokens So Fast
The seven things Anthropic says drive usage, which one is the real multiplier, and the changes that cut consumption without changing what you get back.
Claude Haiku 4.5: When the Small Model Wins
Haiku 4.5 costs $1 and $5 per million tokens and runs at more than twice the speed of Sonnet 4. Where that trade pays off, and the two limits to plan around.
How Claude Tokens and the Context Window Work
Tokens, context windows, usage limits and length limits are four different things. What each one controls, and the caching lever most people never pull.
How to Learn Claude Code in a Fortnight
A two-week order for learning Claude Code: which repo to start on, why the first three days are read-only, what belongs in CLAUDE.md, and where your usage goes.
Claude Chat vs Cowork: Which to Use
Chat is not being retired, but serious work is leaving it. The copy-paste tax, what long threads cost you, and a simple test for which tool a job belongs in.
What Is Claude Cowork?
Claude Cowork runs multi-step work on your own files and hands back a finished deliverable. What it is, what changes about how you brief it, and who it suits.
Looking for the research write-ups? They are here too, filed under Research, and the free courses and exams worth doing are in the Education Pack.