How to Get Frontier Coding Results at 70% Lower Cost - Nouha Dziri, Cohere

Nouha Dziri, a senior research scientist at Cohere, shares research on teams of coding agents, where a lead splits up the work and workers explore, build and check in parallel. Teams can beat a single agent on long software tasks but cost several times more, so across hundreds of experiments on ProgramBench and Commit0 she maps where extra workers actually pay off: delegate the stage where the task is stuck, use a lead that waits for its workers instead of running ahead, and pair a strong lead with cheaper planning workers to get close to an all-frontier team at about 70% lower cost. She also looks at how agents message each other and what larger agent teams will need. Nouha Dziri https://x.com/nouhadziri https://cohere.com Join us in SF for the second annual AIE CODE summit: https://aie.codes our last flagship summit of 2026. Applications live now!