Claude API Blog: Tutorials, Pricing & Best Practices
Deep dives into Claude API — technical breakdowns, best practices, cost optimization tips, and real-world use cases. Written by developers, for developers.

Claude 1M Token Context in Practice: When to Use It and How Not to Waste It
Claude Opus 4.7, Opus 4.6, and Sonnet 4.6 now all support 1M context in GA — no beta flag needed. But a massive context window doesn't mean "more is always better." This post walks through three real-world scenarios — full-repo code review, contract comparison, and incident debugging — to show you how to get actual value out of that 1M token window.

Claude API Tool Use in Practice: Let AI Call Your Functions and External Services
Tool Use is the core capability that turns Claude from a chatbot into an agent that gets things done. This post includes three complete Python examples — single tool calls, parallel multi-tool calls, and business-scenario error handling — plus 4 common pitfalls to avoid.

Google Just Bet $40 Billion on Anthropic: How Claude Code Sparked the Largest AI Funding Frenzy in History
Here's the English translation, rewritten for an international developer audience: --- Google just committed up to $40 billion in Anthropic. Amazon followed with $25 billion the same week. Anthropic's valuation has hit $350 billion. The catalyst behind it all? The explosive adoption of Claude Code across Silicon Valley. Here's what it means for developers.

I Tested Every New AI Model in Claude Code This Month. Here's What Actually Works.
I Tested DeepSeek V4, MiMo V2.5 Pro, and GPT-5.5 in Claude Code — Here's the Only One Worth Using

Connect Claude Code / Cline / Cursor to ClaudeAPI.com in (Copy-Paste JSON Templates Included)
Step-by-step guide to connecting Claude Code, Cline, and Cursor to ClaudeAPI.com. Includes ready-to-use JSON config templates for Windows, Mac, and Linux — so you never have to guess where the settings live.

Claude API Web Search Tool in Practice: Built-in Internet Search, No More Scraping (2026)
A deep dive into how Claude API's built-in Web Search Tool works and how to integrate it — with step-by-step examples showing how to let Claude search the internet directly, so you can stop writing scrapers or wiring up third-party search APIs for good.

Message Batches with 300K Output: Cut Bulk Document Processing Costs by 50%
Claude's Message Batches API now supports up to 300K output tokens per request. This step-by-step guide shows you how to batch-generate reports and process long documents at 50% lower cost, with complete Python code included.

10 Best AI Clients for Claude API: A Developer's Comparison (2026)
We tested Cherry Studio, Chatbox, NextChat, Cursor, and 6 other popular Claude clients — comparing features, setup complexity, and ideal use cases to help you find the right tool.

How to Connect Claude API to Trae IDE: Complete Setup Guide (2026)
A free AI-powered coding IDE by ByteDance — get access to top-tier Claude models in under 5 minutes, accessible from anywhere with no restrictions.

ChatGPT Now Serves Ads. Claude Won't — Here's Why That Matters for Developers.
OpenAI is selling ad placements inside ChatGPT based on user prompts. Anthropic has publicly committed to keeping Claude ad-free — permanently. What does this mean if you're building on these APIs?

Claude Code's Thinking Depth Dropped 73% — Anthropic Admits It Quietly Dialed Down Default Reasoning, API Users Restored on April 7
Between February and March, Anthropic silently downgraded Claude's default thinking intensity from high to medium, resulting in a 73% reduction in reasoning depth. This post breaks down what happened, why it happened, and how API users can verify they've been restored to full-strength thinking mode after April 7.

Anthropic Launches Claude Design — And Figma's Stock Dropped 7% the Same Day
Claude Design is Anthropic's new AI design tool, launched April 17, 2026, powered by Claude Opus 4.7. It lets anyone generate prototypes, presentations, and landing pages through natural conversation — no design background required. This post breaks down its 7 core features, who it's built for, and what it means for Figma and Canva.