New10 min read
Claude Inference Hooks: Build an AI Security Server (GA)
Claude Inference hooks left beta for Enterprise on Oct 20. How the prompt and tool call frames work, how to verify signatures, and a TypeScript verdict server.
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ANTHROPIC
122 articles
LATEST
Claude Code Review Levels: Quick, Standard and Deep Explained
Claude Code Review now has three review levels. How Quick, Standard and Deep trade depth for cost, how to set them per repo, and how to budget before rollout.
•7 min read
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New17 min read
AI Model Shutdown Dates 2026-2027: Calendar and Migration Plan
Every scheduled AI model API shutdown through mid 2027 by month: GPT-4o on Jan 14, whisper-1 on Feb 26, Claude Sonnet 4.5 on Nov 30, plus how to migrate.
New10 min read
Bedrock Claude 3.x Shutdown on November 13: Which Claude Model to Move To
Amazon Bedrock ends Claude 3 Haiku, 3 Sonnet, 3.5 Sonnet, 3.5 Sonnet v2 and 3.7 Sonnet in seven Regions on November 13, 2026. The dates, the new model ids, the prices and the code change.
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New13 min read
Prompt Caching Across AI Providers: Prices, TTLs and Setup
Prompt caching across OpenAI, Anthropic, Gemini, DeepSeek, Mistral, xAI and Qwen: prices, TTLs, setup code. A reused 100K prefix costs 71-93% less.
New11 min read
Anthropic Python SDK 1.0: How to Migrate to httpx2
Anthropic Python SDK 1.0 swaps httpx for httpx2, requires Python 3.10+, and drops temperature and Text Completions. Verified steps to upgrade safely.
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New11 min read
Claude API Inline Tool Definitions: Add Tools Mid-Conversation
Claude API inline tools beta: define, reshape or upgrade a tool mid-conversation with one system message and keep the prompt cache. Code included.
New20 min read
Claude API OpenTelemetry Tracing: How to Set It Up (Beta)
The Claude API exports OpenTelemetry traces in beta. Set up SDK spans in TypeScript or Python, add a Console destination for API spans, and count tokens once.
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New11 min read
Claude Fable 5.1 in Claude Code: How to Switch, Pin, and Pay Less
Claude Code v2.1.257 points /model fable at Fable 5.1: 1M context, $10/$50 per MTok, $0.25 cache reads. Setup, gotchas, and when Opus 5.5 wins.
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New8 min read
Claude Code Idle Compaction: What It Does and How to Turn It Off
Claude Code 2.1.299 compacts sessions over 200K tokens after about 54 idle minutes. How the cache math works, the setting to turn it off, and when to keep it.
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New9 min read
Claude Code Prompt Cache: Read the Hit Ratio, Set 5m or 1h TTLs
Claude Code now reports prompt cache hit ratio and miss causes in /usage. How to read it, script a status line, and set 5m or 1h TTLs.
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New14 min read
Claude Computer Use Toolset: GA API and SDK Driver Guide
Claude computer use is GA as computer_toolset_20260801: no beta header, batched actions, zoom on. How to call it, migrate, and write an SDK driver.
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New16 min read
Claude Fable 5.1 and Mythos 5.1: The Developer Migration Guide
Claude Fable 5.1 keeps $10/$50 pricing but cuts cache reads to $0.25/MTok. The three breaking API changes, new betas, and when Opus 5.5 is enough.
Showing 12 of 121 articles
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