Linas's Newsletter

Linas's Newsletter

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Commentary on the hottest trends in fintech and crypto, often synthesizing complex market moves into digestible insights.

The System for Never Hitting Claude's Limits 🤖
NewsMay 8, 2026

The System for Never Hitting Claude's Limits 🤖

Anthropic confirmed that Claude users were exhausting their daily token limits far faster than anticipated, prompting the company to prioritize a fix. In May 2026, a partnership with SpaceX allowed Anthropic to double Claude Code’s five‑hour rate limits and eliminate...

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Claude Cowork Commands, Scheduled Tasks & Automation Workflows: The Operator's Playbook 🤖
NewsMay 1, 2026

Claude Cowork Commands, Scheduled Tasks & Automation Workflows: The Operator's Playbook 🤖

Claude Cowork, Anthropic’s AI‑powered operations assistant, launched publicly on April 9, 2026, offering a full suite of slash commands, scheduled tasks, and cloud‑based routines for just $20 a month. The tool is positioned as a low‑cost alternative to a full‑time...

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The Ultimate Guide to Claude Managed Agents 🤖
NewsApr 22, 2026

The Ultimate Guide to Claude Managed Agents 🤖

On April 8 2026 Anthropic unveiled Claude Managed Agents, a set of composable APIs that let developers build and run production AI agents on Anthropic’s cloud without managing runtime infrastructure. The service abstracts sandboxing, session persistence, credential isolation, error recovery and observability,...

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Claude Design Just Made Design File Optional. Here's the Complete Founder's Guide 🎨
NewsApr 20, 2026

Claude Design Just Made Design File Optional. Here's the Complete Founder's Guide 🎨

Anthropic released Claude Design on April 17, an AI‑driven tool that makes design files optional and lets founders generate brand systems, pitch decks, landing pages, and code‑ready assets in hours. The launch coincided with a sharp market reaction: Figma’s valuation...

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Inside Revolut's PRAGMA: The Foundation Model Trained on 40 Billion Banking Events 🧠
NewsApr 15, 2026

Inside Revolut's PRAGMA: The Foundation Model Trained on 40 Billion Banking Events 🧠

Revolut has unveiled PRAGMA, a transformer‑style foundation model pre‑trained on roughly 40 billion banking events covering 25 million users in 111 countries. The single shared backbone delivers dramatic gains—up to 130 % lift in credit‑scoring PR‑AUC and 64.7 % improvement in fraud recall—while also...

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How to Build an AI Agent From Scratch (With Working Code) 🤖
NewsApr 13, 2026

How to Build an AI Agent From Scratch (With Working Code) 🤖

The article offers a step‑by‑step tutorial for building a fully functional AI agent in Python, from a blank file to a system that can query the web, synthesize answers, handle errors, and report its own operating cost. It breaks down...

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The Definitive Guide to Perplexity Computer 🖥️
NewsApr 10, 2026

The Definitive Guide to Perplexity Computer 🖥️

Perplexity launched Perplexity Computer, a cloud‑based AI agent that orchestrates 19 frontier models from a single prompt. The $200‑per‑month service includes 10,000 credits and promises 15‑20 hours of monthly productivity savings for founders and investors. Within weeks of its Feb 25, 2026...

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Skill Graphs: The Architecture That Solves the AI Agent Context Window Problem 🤖
NewsApr 6, 2026

Skill Graphs: The Architecture That Solves the AI Agent Context Window Problem 🤖

Skill graphs are introduced as a solution to the AI agent context window problem, where larger monolithic skill files degrade model reasoning. A 2025 Chroma study of 18 frontier models, including GPT‑4.1 and Claude Sonnet 4, showed performance drops as input...

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120+ AI Use Cases From Leading Startups & Internet Companies 🚀🧠
NewsJan 5, 2026

120+ AI Use Cases From Leading Startups & Internet Companies 🚀🧠

The episode spotlights a curated database of over 120 production AI use cases spanning fintech, healthcare, security, dev tools, creative software, and more, detailing what each startup builds, how AI is embedded, and the business impact. It highlights concrete examples...

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