CLAUDE LABJP
MODEL — Claude Fable 5.1 and Claude Mythos 5.1 landed on September 1. They are the same underlying model; only the strength of the safeguards differsPRICING — Per-token rates hold at $10/$50 per MTok. What changed is cache reads, cut 75% to $0.25 per MTokCOST — How much that saves depends on your workload: roughly 25% for typical use, up to about 45% for context-heavy agentic work. Worth measuring your own split before quoting a numberBENCH — Terminal-Bench-Science 0.1 climbs from 24.7% on Fable 5 to 52.6%. Anthropic also states a standard error of 3.5-4.5 points, which is worth remembering before reading small gaps as realSAFEGUARDS — Sharper cyber safeguards cut interventions in Claude Code sessions by roughly 60% on average. Finding vulnerabilities is now allowed; developing exploits still is notAPI — New API accounts created from today can no longer edit prior context while preserving Claude's thinking transcript. It is an anti-distillation measure, and existing accounts are unaffected for nowMODEL — Claude Fable 5.1 and Claude Mythos 5.1 landed on September 1. They are the same underlying model; only the strength of the safeguards differsPRICING — Per-token rates hold at $10/$50 per MTok. What changed is cache reads, cut 75% to $0.25 per MTokCOST — How much that saves depends on your workload: roughly 25% for typical use, up to about 45% for context-heavy agentic work. Worth measuring your own split before quoting a numberBENCH — Terminal-Bench-Science 0.1 climbs from 24.7% on Fable 5 to 52.6%. Anthropic also states a standard error of 3.5-4.5 points, which is worth remembering before reading small gaps as realSAFEGUARDS — Sharper cyber safeguards cut interventions in Claude Code sessions by roughly 60% on average. Finding vulnerabilities is now allowed; developing exploits still is notAPI — New API accounts created from today can no longer edit prior context while preserving Claude's thinking transcript. It is an anti-distillation measure, and existing accounts are unaffected for now
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Claude AI/2026-06-29Beginner

Three Ways to Start with Claude — Browser, Desktop, and Mobile, and How to Use Each

A clear walkthrough for getting started with Claude on the browser, desktop app, and iPhone/Android — plus how to combine all three so your day flows smoothly. Written from the perspective of a solo app developer who lives across all three.

Claude Code/2026-04-28Beginner

From /init Output to a CLAUDE.md That Actually Steers Claude — A 4-Step Refinement

The CLAUDE.md that /init generates is a draft, not a finished file. Here's the 4-step process I run on every new project to turn that draft into a CLAUDE.md that meaningfully changes how Claude behaves.

Claude Code/2026-04-02Intermediate

Claude Code's PowerShell Tool — Native Windows, No WSL

The one setting that actually enables the Claude Code PowerShell tool, why auto mode's new default leaves Windows users still approving prompts, and what August's three permission changes left standing. With WSL2 trade-offs and unattended-run safety gates.

Claude Code/2026-04-01Beginner

Using Claude Code on Windows — Native vs WSL2

Set up Claude Code on Windows using the native installer or WSL2. Includes step-by-step instructions, a practical comparison, and troubleshooting tips.

Claude Code/2026-03-29Beginner

Claude Code Won't Start: Complete Diagnostic Checklist

Systematic guide for diagnosing Claude Code startup failures. Covers Node.js, npm, PATH, permissions, and proxy issues with step-by-step troubleshooting.

Claude Code/2026-03-29Beginner

Claude Code Not Working? Complete Troubleshooting Checklist — From Setup to Connection Issues

Getting started with Claude Code but nothing works? Commands fail, files aren't created, or you get connection errors. This beginner-friendly guide covers installation, configuration, common errors, and immediate fixes.

Claude Code/2026-03-21Beginner

Claude Code Won't Start? Setup Troubleshooting FAQ

Claude Code CLI setup troubleshooting guide for beginners. Covers npm permission errors, API key issues, PATH configuration, proxy setup, CLAUDE.md loading, sub-agent startup, and git hook conflicts.