Claude Articles
Browse 800 articles about Claude.
How to Build an LLM Wiki Knowledge Base with Obsidian and Claude Code
Learn how to ingest YouTube transcripts, PDFs, and URLs into a cross-linked Obsidian knowledge base using Claude Code in under 5 minutes.
Claude Sonnet 5 vs Opus 4.8: Which Model Is Right for Your AI Workflows?
Claude Sonnet 5 is cheaper but can cost more than Opus in agentic workflows. Learn when to use each model and how to choose based on your use case.
Claude Sonnet 5 vs Opus 4.8 for AI Workflows: Which Model Should You Actually Use?
Claude Sonnet 5 is cheaper but can cost more than Opus in agents. Learn when to use each model and how to pick the right one for your workflows.
How to Build an LLM Wiki Knowledge Base with Obsidian and Claude Code
Learn how to build a self-growing knowledge base from YouTube transcripts, PDFs, and URLs using Karpathy's LLM wiki architecture and Claude Code.
How to Prompt Claude Fable 5 for Maximum Output Quality: 6 Rules That Actually Work
Claude Fable 5 works best with short prompts, open-ended goals, and rich context. Learn 6 prompting rules from real usage to get the most out of the model.
AI Model Pricing Explained: Why Claude Sonnet 5 Can Cost More Than Opus in Agents
Claude Sonnet 5 is cheaper per token but uses more tokens in agentic workflows. Learn how to calculate real AI model costs for your use case.
What Is Claude Sonnet 5? Anthropic's Cheaper Agentic Model Explained
Claude Sonnet 5 is Anthropic's new default model—faster and cheaper than Opus, but with a token efficiency problem in agents. Here's what you need to know.
How to Use Claude Fable 5 Without Triggering the Opus 4.8 Safety Fallback
Claude Fable 5 silently routes certain requests to Opus 4.8. Learn which prompts trigger the fallback and how to avoid it in your agent workflows.
Claude Fable 5 Effort Levels Explained: When to Use Low, Medium, High, and Max
Claude Fable 5 has five effort levels that control cost and reasoning depth. Learn which to use for routine tasks vs complex agentic workflows.
How to Prompt Claude Fable 5 for Maximum Output Quality: 6 Rules from Anthropic
Anthropic's own documentation reveals six prompting rules for Claude Fable 5—including effort levels, negative prompting, and avoiding Opus fallback.
Claude Code /goal vs /routines vs /loop: Which Autonomous Scheduling Method Should You Use?
Claude Code offers three ways to run agents autonomously: /goal for completion conditions, /loop for intervals, and /routines for cloud-based cron jobs.
Claude Sonnet 5 Token Efficiency Problem: Why It Can Cost More Than Opus 4.8 in Agents
Claude Sonnet 5 uses 30% more tokens than other models due to its agentic design. Learn when it costs more than Opus and how to manage usage.
How to Prompt Claude Fable 5 Like an Anthropic Engineer: 6 Rules That Actually Work
Anthropic's own best practices for Claude Fable 5 include giving context, negative prompting, effort levels, and avoiding reasoning requests that trigger Opus.
What Is Claude Sonnet 5? Anthropic's Most Agentic Sonnet Model Explained
Claude Sonnet 5 is Anthropic's most agentic Sonnet yet—faster and cheaper than Opus 4.8 while matching it on most tasks. Here's what changed.
What Is an AI Second Brain Knowledge Base? How to Build One with Claude Code
An AI second brain stores your knowledge so agents can search it by meaning. Learn how to build one with Claude Code using automated hourly processing.
How to Build a Brand Context Folder for Claude Code: Voice, Visual Identity, and Positioning
A brand context folder gives Claude your voice, design tokens, and ICP so every output sounds like you. Here's how to build one in 30 minutes.
Claude Code Auto Mode, /goal, and Routines: How to Run Agents Without You
Combine Claude Code's auto mode, /goal, and routines to build AI workflows that run unsupervised. Here's how each feature works and when to use it.
Claude Sonnet 5 Token Efficiency Problem: Why It Can Cost More Than Opus 4.8
Claude Sonnet 5 uses 30% more tokens than previous models. Learn why this happens and how to manage costs in agentic AI workflows.
Claude Sonnet 5 vs Opus 4.8: Which Model Should You Use for Agentic Work?
Claude Sonnet 5 is cheaper but uses more tokens than Opus 4.8. Here's how to choose the right model for your agentic workflows and budget.
How to Use the STORM Research Method in Your AI Agent Workflows
Stanford's STORM method uses 5 expert perspectives to produce 25% more organized research. Learn how to implement it as a Claude Code skill.