Sorting LiteLLM GitHub issues by difficulty to implement. Higher = harder.

{
Model-group budget limits require cross-model accounting, configuration semantics, persistence, concurrency-safe enforcement, and broad proxy/test integration. The cancellation bug is narrower in scope, though async cleanup and failure-path coverage add implementation risk.
}
https://github.com/berriai/litellm/issues/34367 5:3 https://github.com/berriai/litellm/issues/27955