Heterogeneous agent teams: the lead sets the ceiling, cheap workers set the price
nouhadziri · x · 2026-10-14
New findings from the multi-agent experiments on heterogeneous teams: keeping workers as cheap Luna and upgrading only the lead (Luna→Terra→Sol), reward climbed with every upgrade (42.5% → 51.6% → 60.5%), with each team beating a solo agent running the lead's model.
Key takeaways:
- Cheap workers can't make up for a weak lead: Terra lead + Luna workers (51.6%) still falls short of Sol alone (57.7%)
- "The lead sets the ceiling; the workers set the price"
- A strong lead with cheap planners retains most of the reward at a fraction of the cost
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