CLAUDE LABJP
DEFAULT — Claude Sonnet 5 is now the default model for Free and Pro users worldwide. It's the most agentic Sonnet yet and performs close to Opus 4.8 on many tasksPRICE — Sonnet 5 launch pricing ($2 in / $10 out per million tokens) runs through August 31, then returns to $3 / $15. Worth measuring your real token costs nowFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — three days left. If you set speed: 'fast', move those calls to fast mode on Opus 4.8MEMORY — Claude's memory now works as a set of individual, categorized entries that Claude reads and updates mid-conversation, so it's easier to see what's storedHIPAA — Enterprise and API organizations can now configure HIPAA support themselves: BAA review, guide download, and one-step enablementADMIN — The Admin API can list members, change roles, remove people, and manage groups — helpful for organizations with frequent membership changesDEFAULT — Claude Sonnet 5 is now the default model for Free and Pro users worldwide. It's the most agentic Sonnet yet and performs close to Opus 4.8 on many tasksPRICE — Sonnet 5 launch pricing ($2 in / $10 out per million tokens) runs through August 31, then returns to $3 / $15. Worth measuring your real token costs nowFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — three days left. If you set speed: 'fast', move those calls to fast mode on Opus 4.8MEMORY — Claude's memory now works as a set of individual, categorized entries that Claude reads and updates mid-conversation, so it's easier to see what's storedHIPAA — Enterprise and API organizations can now configure HIPAA support themselves: BAA review, guide download, and one-step enablementADMIN — The Admin API can list members, change roles, remove people, and manage groups — helpful for organizations with frequent membership changes
ARTICLES

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All (786) Claude AI (133) Claude Code (320) Cowork (54) API & SDK (279)
API & SDK/2026-04-02Intermediate

Anthropic API Cost Optimization Guide: Cut Your Monthly Bill by 50–70%

A complete guide to reducing your Anthropic API costs by 50–70%. Covering model selection, Prompt Caching, batch processing, and token reduction — with production-ready code you can apply to your app today.

API & SDK/2026-04-02Advanced

Claude API Messages Batches: Cutting Production Costs by Up to 50% with Async Processing

An implementation guide for putting the Claude API Messages Batches API into production. Polling design, real cost measurements, and operational gotchas from running 1,920 monthly requests across four Dolice Labs sites.

API & SDK/2026-04-01Advanced

Building Production-Ready AI Apps with Claude API × Supabase — pgvector RAG, Realtime Sync & Row Level Security Integration Guide

Build production AI apps with Claude API and Supabase. Implement RAG with pgvector, multi-tenant RLS, and real-time streaming in one integrated architecture.

API & SDK/2026-03-31Advanced

Building Self-Healing AI Agents with Claude API — Error Detection, Auto-Recovery, and Graceful Degradation Patterns for Production

Learn how to build production-grade AI agents that automatically detect failures and self-heal using Claude API. Covers retry strategies, fallback chains, Supervisor patterns, and observability pipelines.

API & SDK/2026-03-31Advanced

Claude API Streaming × Real-Time Chat UI: Production Implementation Guide

A practical guide to running Claude API streaming with Server-Sent Events in Next.js App Router at production grade, with measured latency, recovery patterns, and Cloudflare Workers edge-relay details from real indie operation

API & SDK/2026-03-30Advanced

Claude Opus 4.6 Extended Thinking Production Patterns — Controlled Reasoning

Master production-grade patterns for Claude Opus 4.6's Extended Thinking: budget_tokens design, cost optimization, error handling, streaming integration, and reasoning chain verification.

API & SDK/2026-03-30Advanced

Building a Search-Augmented AI Assistant with Claude API: Web Search × Dynamic Filtering × Citations

Learn how to combine Claude API's Web Search Tool, Dynamic Filtering, and Citations API to build a production-grade search-augmented AI assistant that returns accurate, source-backed answers.

API & SDK/2026-03-30Beginner

Claude API Pricing Guide 2026 — Complete Cost Breakdown for Every Model, Batch API, and Prompt Caching

A complete guide to Claude API pricing in 2026. Learn the per-token costs for Opus 4.6, Sonnet 4.6, and Haiku 4.5, how to save up to 95% with Batch API and Prompt Caching, and see real-world cost estimates for common use cases.

API & SDK/2026-03-29Intermediate

Claude API 429 Errors in Production: Lessons from Six Parallel Content Pipelines

When Claude API starts returning 429 Too Many Requests, the official exponential-backoff snippet alone is rarely enough. Drawing on six content pipelines run by one indie developer, this guide covers the real failure modes I have observed, working Python and TypeScript retry implementations with jitter, a token-bucket throttle, and concrete criteria for moving jobs to the Batch API.

API & SDK/2026-03-29Intermediate

Claude MCP Hybrid Architecture — Design Patterns for Combining Deterministic Tools with AI Reasoning

Learn how to build reliable AI agents using Claude MCP hybrid architecture. Combine deterministic tools with AI reasoning using patterns inspired by Andrew Ng's Tool Use framework.

API & SDK/2026-03-29Advanced

Claude API Think Tool — Dramatically Improve Tool Call Accuracy with Interleaved Reasoning in Agentic Workflows

Master the Claude API Think Tool pattern. Learn the key differences from Extended Thinking, implement interleaved reasoning in agent loops, and apply production design patterns that improve tool call accuracy by up to 54%.

API & SDK/2026-03-29Advanced

Claude Long-Term Memory with MCP — Production Implementation Guide

A production-grade walkthrough of long-term memory with MCP — vector DB metrics, scale-based DB selection, and the embedding-model pitfalls the official docs don't mention.