CLAUDE LABJP
MODEL — Claude Fable 5.1 and Claude Mythos 5.1 landed on September 1. They are the same underlying model; only the strength of the safeguards differsPRICING — Per-token rates hold at $10/$50 per MTok. What changed is cache reads, cut 75% to $0.25 per MTokCOST — How much that saves depends on your workload: roughly 25% for typical use, up to about 45% for context-heavy agentic work. Worth measuring your own split before quoting a numberBENCH — Terminal-Bench-Science 0.1 climbs from 24.7% on Fable 5 to 52.6%. Anthropic also states a standard error of 3.5-4.5 points, which is worth remembering before reading small gaps as realSAFEGUARDS — Sharper cyber safeguards cut interventions in Claude Code sessions by roughly 60% on average. Finding vulnerabilities is now allowed; developing exploits still is notAPI — New API accounts created from today can no longer edit prior context while preserving Claude's thinking transcript. It is an anti-distillation measure, and existing accounts are unaffected for nowMODEL — Claude Fable 5.1 and Claude Mythos 5.1 landed on September 1. They are the same underlying model; only the strength of the safeguards differsPRICING — Per-token rates hold at $10/$50 per MTok. What changed is cache reads, cut 75% to $0.25 per MTokCOST — How much that saves depends on your workload: roughly 25% for typical use, up to about 45% for context-heavy agentic work. Worth measuring your own split before quoting a numberBENCH — Terminal-Bench-Science 0.1 climbs from 24.7% on Fable 5 to 52.6%. Anthropic also states a standard error of 3.5-4.5 points, which is worth remembering before reading small gaps as realSAFEGUARDS — Sharper cyber safeguards cut interventions in Claude Code sessions by roughly 60% on average. Finding vulnerabilities is now allowed; developing exploits still is notAPI — New API accounts created from today can no longer edit prior context while preserving Claude's thinking transcript. It is an anti-distillation measure, and existing accounts are unaffected for now
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API & SDK/2026-06-21Advanced

Connecting Managed Agents to Services You Don't Want to Expose: MCP Tunnel Design

How to connect Claude Managed Agents to an internal MCP server that is never exposed to the public internet. We cover the MCP tunnel, self-hosted sandboxes, authorization boundaries, and graceful degradation when things break.

Cowork/2026-06-04Advanced

Where the human still has to press the button — lessons from delegating ad ops to Cowork

From actually delegating repetitive ad operations — AdMob bidding-partner sign-ups and floor tuning — to Cowork, here is the boundary I found between what AI can fully own and the single moves a human still has to make by hand.

API & SDK/2026-05-30Advanced

Catching Claude Quality Regressions With an Eval Harness

I tweaked a prompt by one line and, for a different set of inputs, the output quietly got worse. Here is the eval harness I built to protect Claude's production quality across every prompt change and model update, with full implementation code and real operating numbers.

Claude AI/2026-05-18Intermediate

Adding Three AdMob Mediation Partners With Claude — What I Learned Updating 4 iOS Apps at Once

A hands-on account of adding Unity Ads, Liftoff, and InMobi to 4 iOS apps simultaneously. Covers W-8BEN tax form submission, ATT prompt ordering, and AppLovin MAX waterfall setup — all with Claude as my documentation navigator.

Claude AI/2026-05-06Beginner

Anthropic IPO 2026 — Latest Update for Developers and Individual Investors

What we actually know about Anthropic's IPO plans as of May 2026 — including likely effects on API pricing, whether individual investors can participate, and what changes to expect for the Claude roadmap.

Claude AI/2026-05-04Advanced

Claude Mythos in Production: A Deployment Playbook From Internals to Operations

Most Claude Mythos coverage stops at conceptual overviews. This playbook covers actual production deployment — System Card highlights that change implementation, gateway architecture, sandboxing, prompt-injection defense, monitoring, and scaling — with patterns from running Mythos-aware services.

Claude AI/2026-05-04Advanced

Anthropic IPO 2026: A Playbook for Developers and Investors Reading the Same News Differently

Anthropic IPO coverage in 2026 is everywhere, but almost all of it is investor-facing. This playbook integrates the investor lens with the developer lens — what changes for API pricing, roadmap cadence, competitive dynamics, and how to prepare your own project.

Claude AI/2026-05-04Advanced

Anthropic IPO Outlook and the Indie Developer Revenue Strategy 2026

Anthropic's IPO preparation phase is becoming concrete in 2026. For indie developers and freelancers building on Claude, here's how to think about pricing, dependency, and unique value layers — together with the structural changes that often arrive when a platform goes public.

Claude Code/2026-05-03Advanced

Claude × Stripe Meter Events — Building a Usage-Based SaaS

A production-ready architecture and full implementation for billing Claude API token consumption through Stripe Meter Events — covering idempotency, usage caps, and a hybrid base + overage pricing model.

Claude AI/2026-05-03Beginner

Claude Plan Cheat Sheet for Indie Developers 2026 — Pro, Max, or API for Monetization?

A practical comparison of Claude Pro, Max, and API for indie developers asking: which plan actually pays for itself? With concrete recovery thresholds and a hybrid setup recommendation.

Claude AI/2026-05-02Beginner

Anthropic IPO 2026 Status — Timing, Valuation, and What It Means for Claude Users

A grounded look at where Anthropic stands on going public as of May 2026. Covers timing speculation, valuation history, comparison with OpenAI, and what an eventual IPO might mean for Claude users.

Claude AI/2026-04-30Intermediate

9 Practical Claude System Prompt Examples — Templates That Work in Production

Nine production-ready Claude system prompt templates for support, code review, JSON extraction, education, persona consistency, and more — with the design rationale for each pattern.