For .NET, it produces "recommended" boilerplate, specifically serialization that uses correctly configured System.Text.Json in source generated mode. This makes

For .NET, it produces "recommended" boilerplate, specifically serialization that uses correctly configured System.Text.Json in source generated mode. This makes it usable in AOT workloads and there have been fixes by Filip Navara to significantly reduce binary size impact. For other languages, I suppose it's an organizational effort within MS to standardize and consolidate SDK generation to produce consistent experience. More on .NET, last time I compared OpenAPI generator options - other generators did not do this or did it in a worse way. Even still, I do not consider Kiota to have the kind of UX that .NET deserves. For example, to consume gRPC-based API, your workflow is just: dotnet add package Grpc.Tools dotnet add package Grpc.Net.Client dotnet add package Google.Protobuf # add <Protobuf Include="myapi.proto" /> to .csproj That's it - the client is generated transiently and is a part of the project without getting in your way, I have a small shell script to do it as a one-liner. And maintaining a dependency of an application on a remote API of this kind is also easy if .proto is available via git - add it as a submodule or a subtree and just bump commits automatically (or manually if review is needed). You never need to manually re-generate and possibly re-reference or re-publish a separate client package for this to work. The sheer convenience of this at both individual and organizational level alone makes a compelling case for choosing gRPC over REST, architectural preferences notwithstanding. Last time I checked, Kiota required much more effort and ceremony. I understand that it's a "big generator to rule them all" that made to address both simple one-off APIs and ginormous Azure SDK, but .NET has all necessary building blocks to have similar or even better UX to what gRPC tooling provides. I suppose, it's just a matter of doing it and promoting the project.