Claude Fable 5 and Claude Mythos 5: What Developers Need to Know
A clear guide to Claude Fable 5 and Claude Mythos 5, covering model specs, API changes, refusal handling, fallback options, and billing.
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Prompting Claude Fable 5: Behavioral Changes and Best Practices
A practical guide to Claude Fable 5's new behaviors, covering effort levels, instruction following, long-running tasks, memory systems, parallel subagents, and recommended scaffolding changes for developers and teams.
Claude Fable 5
The Mechanics of Prompt Caching: How to Design Cost-Efficient AI State
Learn how prompt caching works in large language models, why it reduces API costs and latency, and how to design your prompts and system state to take full advantage of it.
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What's New in Claude Opus 4.8: Key Features and Changes
A clear breakdown of everything new in Claude Opus 4.8, including fast mode, mid-conversation system messages, lower prompt cache minimum, refusal stop details, and behavior improvements.
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Claude Code Common Workflows: A Practical Guide for Developers
A practical guide to Claude Code's most useful everyday workflows, from exploring codebases and fixing bugs to running parallel sessions, resuming conversations, and piping Claude into scripts.
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Claude Prompt Engineering Best Practices: A Complete Guide
A practical guide to prompt engineering techniques for Claude's latest models, including Opus 4.7, Sonnet 4.6, and Haiku 4.5. Covers clarity, XML structuring, tool use, thinking modes, agentic systems, and migration tips.
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