Curative signs provider contracts 50x faster using agent hierarchy on Claude

Details

Curative built Gwen, a Claude Opus-based agent that signs provider contracts about 50 times faster than the 2025 human team, closing 23,000 deals and processing 2,000 to 2,400 new contracts per week.
Each contract requires approximately 20 million tokens, reducing costs to roughly one-tenth of the original estimate and enabling the signing of smaller, previously overlooked providers.
A Sonnet-based rate reviewer clears two-thirds of non-standard rate requests, while a Haiku-based judge agent reviews every outbound message to prevent errors like copying providers on internal notes.
The contracting team grew from 45 to 55 people, with each individual becoming 2.5 times as productive by focusing on relationships while agents handle cold outreach and paperwork.
Gwen uses a single Python tool for complex tasks like redlining and document merging, and a fax tool more than doubled its win rate by meeting providers on their preferred channel.
Claims dispute responses, which previously took 90 days, now take under 30 minutes using human-agent teams that generate customized letters for each specific claim.
The underlying claims, prior authorization, and finance systems were rebuilt by 13 engineers using Claude Code, a task originally estimated at 100 engineer-years.

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