Surprised this is so far down. A subagent with a cheap model like haiku or similar is the way to go instead of dumping tool output directly into the main agent context

Is there an easy way to do this with eg codex? It seems like eg sol agents can’t spawn Luna subagents, so eg a “code research” subagent can save the main agent’s context, but can’t save tokens necessarily. (I suppose a tool to call codex CLI would work, but a bit unsatisfying.)