browser-use 1.0.4 just slashed model costs 52% per task—$0.434 → $0.208—with zero performance hit on their benchmark.

The alpha: They fixed screenshot batching. Old version dropped them one-by-one, constantly rewriting past messages and nuking the provider's prompt cache. Result? You paid full input price nearly every step.

New version batches all old screenshots in one shot. Cache stays intact, costs crater.

If you're running agent workflows with heavy vision calls, this matters. Efficiency gains compound fast when you're scaling tasks.