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.
AI Recursive Self-Improvement: Anthropic Co-Founder Predicts 60% Chance by 2028
Anthropic co-founder Jack Clark predicts a 60% probability that AI achieves recursive self-improvement (RSI) by the end of 2028, based on multiple capability benchmark datasets. This article takes a deep dive into the data, core logic, and potential risks behind that prediction.
OpenCode + ClaudeAPI.com: Complete Setup Guide for Developers
A complete guide to configuring ClaudeAPI.com in OpenCode, covering both the desktop GUI and JSON config file setup. Works across Windows, macOS, and Linux, with all supported Claude model IDs and pricing comparisons included.
Claude Code 2.1.128 Is Here: 37 CLI Fixes, Better EnterWorktree Behavior, and Cleaner MCP Reconnects
Claude Code 2.1.128 includes 37 CLI changes, with key fixes to EnterWorktree branch creation, a cleaner MCP reconnect experience, and new OTEL environment variable isolation for subprocesses—significantly improving stability and workflow reliability.
How to Verify If Your Claude API Is Real: A Complete Guide to Model Fingerprint Detection
When using a third-party proxy or wrapper service, how can you confirm the underlying model is actually Claude? This article introduces 5 systematic detection methods to help you verify model authenticity and identify wrapping layers.
Guaranteed JSON Every Time: Using Claude's Structured Outputs with JSON Schema
Stop wrestling with unreliable prompt constraints and fragile regex parsing. This guide walks you through using Claude API's Structured Outputs to guarantee schema-compliant JSON responses from the model — every single time.
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.