No longer are Fleet agents constrained to a single model. With multi-model support, you can build more efficient agents at scale http://lang…

No longer are Fleet agents constrained to a single model. With multi-model support, you can build more efficient agents at scale http://langchain.com/langsmith/fleet Not every step in an agent workflow needs the same model. Fleet now lets you customize which model each sub-agent uses, so you can route simple tasks to fast/cheap models and keep stronger models for the hard parts. Here’s what that looks like:

Source: Harrison Chase (X) | 2026-05-04