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Simeon's Substack

Simeon Penev

My personal Substack

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues13Founded6 months agoLast Issue17 days ago
Active

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simeonpenev.substack.com
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Latest Issues

The AI Automation Pulse - Issue #13

TL;DR

  • OpenAI’s workspace agents are the clearest sign this week that agents are moving from personal chat toys into shared team infrastructure, and GPT-5.5 gives that push real model weight.

  • Claude Design shows Anthropic wants...

17 days ago
1

Agents Are Starting To Leave The Chat Window

TL;DR

  • 🤖 OpenAI’s new Codex update is a major push from “coding assistant” toward “general desktop agent”

  • 🧩 Cursor 3.1 introduced canvases, another sign that coding agents are becoming full work environments, not just chat pan...

23 days ago

The Week AI Got More Operational

TL;DR

  • 🔒 Anthropic’s Project Glasswing is the strongest sign yet that some frontier models may be too dangerous for normal public release

  • 🤖 Cursor’s Bugbot learned rules show what happens when AI tools start adapting to team b...

a month ago
1

Anthropic Can't Stop Leaking

TL;DR

  • 🔓 Anthropic leaked Claude Code’s entire source code — 500K lines, the full agentic harness, days after the Mythos leak

  • 💰 OpenAI closed a record $122B funding round at an $852 billion valuation — the most valuable privat...

a month ago

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  • Simeon Penev

    I build AI-powered automation for businesses and track what's happening in AI so you can focus on what works. Monthly newsletter covering the most popular tools, industry shifts, and practical strategies.

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