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OPUS48 — The default model on Bedrock, Vertex, and AWS is now Claude Opus 4.8. Opus 4.8 and Haiku 4.5 are also in the Messages API, with prompt caching and extended thinkingSTREAM — A Claude Code stability and quality update landed: subagent text over stream-json, stronger permission and hook handling, and better background-agent reportingFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24. After that, speed: 'fast' returns an error, so migrate to fast mode on Opus 4.8TEACH — Claude for Teachers is here, giving verified US K-12 educators free premium access, plus curriculum connections aligned to standards in all 50 states and new education connectorsFIX — The update fixes issues across Chrome, Windows, Bedrock, Vertex, hooks, and session recovery, and speeds up terminal renderingIPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as OctoberOPUS48 — The default model on Bedrock, Vertex, and AWS is now Claude Opus 4.8. Opus 4.8 and Haiku 4.5 are also in the Messages API, with prompt caching and extended thinkingSTREAM — A Claude Code stability and quality update landed: subagent text over stream-json, stronger permission and hook handling, and better background-agent reportingFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24. After that, speed: 'fast' returns an error, so migrate to fast mode on Opus 4.8TEACH — Claude for Teachers is here, giving verified US K-12 educators free premium access, plus curriculum connections aligned to standards in all 50 states and new education connectorsFIX — The update fixes issues across Chrome, Windows, Bedrock, Vertex, hooks, and session recovery, and speeds up terminal renderingIPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as October
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Blog

Latest news, updates, and release notes about Claude.

A Million-Token Window Made Me Stop Chunking My Prompts — Notes From Rebuilding My Preprocessing

When Claude Fable 5 became generally available with a one-million-token context window, I stopped splitting crash logs into pieces before sending them to the API. Here is what an indie developer learned: a big window helps you fold away chunking, not become smarter.

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Measuring My Automation's Real Cost on Day Two of the Billing Change

Two days after the June 15 billing change moved Agent SDK, headless runs, and GitHub Actions onto separate monthly credits, I measured my automated publishing pipeline's real cost for the first time. Here is how I redrew the line between what stays headless and what goes back to my subscription.

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June 2026 Week 2 Claude Highlights — Stale Temp Files, git add -A Sweeping In .bak Files, and ENOSPC: A Week of Hunting Silent Contamination

June 2026 Week 2 recap at Claude Lab — stale content leaking from fixed-name temp files, git add -A committing .bak backups, fixing ENOSPC at the root, diagnosing an unresponsive Claude, and a rewritten getting-started tutorial.

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Three Days With Claude Fable 5 — Where the 1M Context and Always-On Adaptive Thinking Fit a Solo Developer's Week

I spent the three days after the June 9 release testing Claude Fable 5 in real development work, while it is still bundled free. Field notes on the 1M context window, always-on adaptive thinking, the Opus 4.8 fallback, and the model routing I settled on for June 23 and beyond.

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Reading Crashlytics Stack Traces With Claude — A Solo Developer's Morning Incident Notes

How I read the stack traces piling up in Firebase Crashlytics together with Claude, and killed an Android wallpaper-app crash with a single line. Notes from twelve years of solo development on facing incidents nobody else can help with.

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Claude Lab — May 2026 in Review: Quiet Maintenance Notes from Year 12 of Indie Development

Looking back at Claude Lab in May 2026: parallel StoreKit 2 migration across four iOS wallpaper apps, AdMob mediation rework, morning monitoring with Claude in Chrome, and the quality gates we built for our four-site publishing pipeline.

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Adding Google Flexible Sampling to a Next.js + Stripe Paywalled Article Site — Implementation Notes

How I wired Google Flexible Sampling and Schema.org Paywalled Content into a Next.js App Router site backed by Stripe and Cloudflare Workers, so Googlebot is never tempted to flag it as cloaking — written from the perspective of an indie developer running four sites.

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May 2026 Week 3 Claude Highlights — Crash Triage, the CocoaPods Sunset, AdMob Tuning, and Agent Architecture from a 12-Year Indie Dev

May 2026 Week 3 recap at Claude Lab — fixing a 28-day Android RecyclerView crash, migrating Firebase to SPM before the CocoaPods sunset, adding three AdMob mediation partners, forecasting Claude API token costs within 10%, and a one-month log of a multi-source morning digest agent.

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Three Days, Four Apps, Four New iPhone Resolutions — The Line I Delegated to Claude Code, and the Line I Drew Myself

I spent three days adapting four of my indie iPhone apps to the new iPhone Air, 17 Pro, and 17 Pro Max resolutions. This is a record of what I let Claude Code carry, and what I had to decide myself.

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May 2026 Week 2 Claude Highlights — GSC Index Collapse, Wallpaper App Vision API, 12-Year Solo Dev's Delegation Rules

May 2026 Week 2 recap at Claude Lab. A candid account of our GSC index dropping from 3,500 to 95, automating wallpaper categorization with Vision API on a 50M-download app, a 12-year indie developer's Claude Code delegation framework, and real API cost data.

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I Asked Claude to Categorize My Wallpaper App — and It Shattered a 10-Year Assumption

After building wallpaper apps independently since 2014, with 50M+ downloads, I asked Claude to help categorize a new collection. What came back challenged an assumption I'd never thought to question in a decade of solo development.

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May 2026 Week 1 Claude Highlights — Anthropic IPO Update, Extended Thinking Cost Reality, 90-Day Solo SaaS Record

Claude Lab highlights for the first week of May 2026. Covering Anthropic's IPO latest news, extended thinking production cost analysis, a 90-day solo SaaS case study, and Opus 4 vs Sonnet 4 practical guidance — a week where big news and hands-on implementation stories arrived together.

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April 2026 Claude AI Roundup — Opus 4.7, Claude Design, and the Month Production Took Over

A full one-month look back at Claude AI in April 2026: Opus 4.7, Claude Design, Managed Agents, the maturing of production patterns, Claude Lab's +69% click growth, and what to watch for in May.

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After 12 Years of Solo Development, I Finally Have a Code Reviewer — How Claude Changed What I Couldn't See Alone

I've been building iPhone apps as a solo developer for 12 years, and not once have I had someone review my code. This post is about what changed when Claude became my reviewing partner — and what I now wish I had known years ago.

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Claude Lab Week 4 April 2026 Highlights — 69% Click Growth, Opus 4.7, and Indie Developer Revenue Design

April 18–24, 2026 Claude highlights: Claude Opus 4.7 release, the launch of Claude Design, a wave of API production patterns, and a new series on pricing and revenue design for indie developers. One of the densest information weeks we've had.

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Teaching Claude Code Your Project's Context — Six Months of Living With CLAUDE.md

After six months of heavy Claude Code use, the biggest shift wasn't speed. It was never having to re-explain the same context again. Here's what I learned about what goes in CLAUDE.md, what doesn't, and why I review it every month.

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Claude Lab Week 3 April 2026 Highlights — 37% Traffic Growth, Cowork Skills, and SEO Automation

April 14–17, 2026 Claude highlights: site clicks up 37% week-over-week, new Cowork skills and scheduled tasks guides, and a practical workflow for automating GA4/GSC data collection with Claude in Chrome.

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What Delegating to Claude Taught Me About How I Think as an Indie Developer

Where does the resistance to letting AI handle your work actually come from? After about a year of working closely with Claude, here's what genuinely changed — and what didn't.

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April 2026 Week 2 Claude Highlights — Managed Agents Launch, Mythos Preview, and Service Outage Recap

A roundup of the biggest Claude AI news from the second week of April 2026: Managed Agents public beta, Project Glasswing and Mythos Preview, weekend service outages, and the latest Claude Code updates.

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Mastering Claude Prompt Caching — A Practical Guide to Slashing API Costs

Claude API's Prompt Caching feature can cut the token cost of repeated system prompts and context by up to 90%. Learn how it works and how to implement it in your projects.

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Claude Weekly Recap — April Week 1, 2026: Source Code Leak, April Updates & API Expansion

A roundup of the biggest Claude news for the first week of April 2026 — the unexpected Claude Code source leak and what it revealed, the latest product updates including Deferred Permission and flicker-free rendering, and the expanded 300k token limit for Message Batches.

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7 Practical Claude Prompt Techniques That Actually Make a Difference in 2026

Seven battle-tested prompt engineering techniques to get the most out of Claude AI. From contract-style prompts to iterative refinement, these tips work for beginners and power users alike.

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Claude AI in March 2026 — Monthly Roundup and What to Watch in April

A comprehensive look at Claude AI's biggest updates in March 2026, including Auto Mode, Computer Use, and the 1M context window GA, plus what to expect in April.

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Thank You Price Campaign — Premium Lifetime Access at a Special Price

As a token of our gratitude, we're offering Claude Lab Premium lifetime access at a special price of $7 (normally $10). Don't miss this opportunity.

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Thank You to Our Premium Members

A heartfelt message of gratitude to Claude Lab's premium and Pro subscribers who make this site possible.

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100K Requests Milestone: A Heart-Felt Thank You

Celebrating 100,000 Cloudflare requests across Dolice Labs. Reflections on building AI education platforms, gratitude to readers, and the road ahead.

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A Practical Guide to Automating Repetitive Tasks with Claude Code's /loop Command

Claude Code's /loop command lets you automate recurring tasks right inside your session. Learn the basics, real-world use cases, and key limitations to make the most of this handy feature.

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Anthropic Hits $14B Annual Revenue — How Claude Became a Top Contender in the AI Race

Anthropic's annual revenue has reached $14B. A look back at Claude's growth trajectory and what it means for the future of AI.

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Claude Code Voice Mode: The Complete Guide to Hands-Free Coding

A comprehensive guide to Claude Code's voice mode (/voice). Learn how to set up, use, and get the most out of hands-free coding with practical tips and real-world workflows.

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How Cowork Transformed My Daily Workflow for Managing 4 Sites

Running four knowledge base sites solo seemed impossible — until Cowork and Claude Code automated everything from article generation to SEO management. Here's my real experience with the numbers to prove it.

CoworkClaude CodeAutomationIndie DevExperienceOperations

About the Artist and Developer Behind Claude Lab — At the Intersection of AI and Art

A profile of Masaki Hirokawa, the creator of Claude Lab. A contemporary artist with 17 international awards and an app developer with over 50 million downloads shares his journey through art, technology, and AI.

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MCP (Model Context Protocol) Practical Guide — Extending Claude with Custom Tools

Learn how to extend Claude's capabilities using Model Context Protocol (MCP). From building MCP servers to connecting with Claude and real-world use cases.

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Claude Haiku 3 Deprecation — Migrate by April 19, 2026

Claude Haiku 3 (claude-3-haiku-20240307) will be retired on April 19, 2026. Learn how to migrate to Claude Haiku 4.5 and what to watch out for.

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Claude Opus 4.6 Released — The New Flagship Model

Anthropic releases Claude Opus 4.6, achieving industry-leading coding benchmarks with 128K max output tokens and 1M context window support.

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Claude Code Desktop App — Coding Without the Terminal

Claude Code now has a standalone desktop app with visual diff review, multiple simultaneous sessions, scheduled tasks, and cloud sessions.

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