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

{
Adding several upstream model variants requires broader provider mapping, capability handling, and multi-model validation, whereas the other issue is a focused schema-normalization fix with contained regression testing.
}
https://github.com/berriai/litellm/issues/35410 3:2 https://github.com/berriai/litellm/issues/28515