>Ah yes. An unverifiable claim followed by "just google them yourself".

Some agent scaffolding performs better on benchmarks than others given the same underlying base model - see SWE Bench and Terminal Bench for examples.

Some may find certain background agents better than others simply because of UX. Some background agents have features that others don't - like memory systems, MCP, 3rd party integrations, etc.

I maintain it is easy to search for examples of background coding agents that are not Jules or Copilot. For me, searching "background coding agents" on google or duckduckgo returns some of the other examples that I mentioned.