If you work with LLMs/Agents then Jev from https://typesafe.ai/ is an absolute must-try this weekend.
With it, you can finally add intelligence to your application that also natively expresses uncertainty in its decisions. It's also 10x faster and an order of magnitude cheaper than LLMs.
It does have a bit of a learning curve, and it's not a fit for every use case. But in my testing it's a game changer for workflows that require lots of fast decision making, such as browser use and routing.
Here's a demo of it booking a flight in real time: