Who is building the agent operating system?
Twelve dimensions across seven providers. Re-graded as announcements land, with the market's reaction shown alongside.
OpenAI · Cross-App Actions
Real orchestration · updated 2026-06-01
Connectors and actions are expanding, but it reaches into apps from the outside, not the OS.
Can the assistant reach across apps and services to actually do things (book, send, schedule, edit) rather than describe how you'd do them? The difference between a chatbot and a control plane.
- AnalysisA Guide to Which AI to Use in the Agentic EraOne Useful Thing (Ethan Mollick) · 2026-02-18
A models/apps/harnesses framework: the harness that lets a model take real actions now matters as much as IQ.
- PrimaryThe state of enterprise AI (2025 report)OpenAI · 2025-12-01
OpenAI's data on enterprise traction: 7M+ workplace seats and 92% Fortune 500 penetration.
- PrimaryOne Year of MCP: November 2025 Spec ReleaseModel Context Protocol · 2025-11-25
MCP's rise from open-source experiment to de facto standard adopted across OpenAI, Microsoft, GitHub, and Google.
- NewsOpenAI launches a general purpose agent in ChatGPTTechCrunch · 2025-07-17
Covers ChatGPT agent, merging Operator's web navigation, deep research, and conversation into one task-completing system.
- PrimaryIntroducing ChatGPT agent: bridging research and actionOpenAI · 2025-07-17
OpenAI's announcement of an agent that navigates sites, works with files, and connects data sources.