Claude Fable 5.1 is now available for Custom Agents.
It's a step up from Fable 5 across the board, especially for complex knowledge work. Plans and summaries tend to be more concise, too.
The model picker got a little facelift.
Star your favorites. Dial the thinking up (or down) with effort controls. Because not every task needs max brainpower.
Three new models landed in Notion:
โ๏ธ GPT-5.6 Sol โ for days-long tasks and self-improving agents
๐ GPT-5.6 Terra โ GPT-5.5 workloads at ~half the cost
๐ GPT-5.6 Luna โ speed for the small stuff (available for Custom Agents)
I spy ... GLM 5.2 on @NotionHQ!
Check out https://t.co/e4br5JXaguโs latest advanced agentic and reasoning model, powered by Baseten, on Notion today.