Notion on Monday, Oct. 19, 2026, released a rebuilt version of its AI agents, an upgraded model router called Auto and a new credit system for Notion AI. The company said Auto delivered results similar to frontier models at about 90% lower average cost across more than 20 common tasks, according to its release notes .

The update also lets users connect ChatGPT subscriptions to Notion, opens a private alpha for customers to bring their own model keys, overhauls the Notion MCP server and previews an AI Command Center for admins. Akshay Kothari, Notion’s co-founder, laid out the changes in a company blog post .

Sixth-generation agent harness

Notion said this is the sixth generation of the agent harness that runs Notion Agent and Custom Agents. The new version runs each session on a dedicated service with a queue-backed worker loop, which the company said keeps work going through restarts and lets a task run for 24 hours.…