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TypeSafe Jev for Entity Resolution
This project measures the performance and cost of TypeSafe Jev within an Ohio campaign-finance entity-resolution pipeline, demonstrating significant cost reduction and improved throughput compared to Claude Fable.
Southbridge published measured results for TypeSafe Jev inside an Ohio campaign-finance entity-resolution pipeline (Sep 20).
• Jev as primary workhorse + 5 Luna review passes: 226× lower model cost ($0.0000361/KB), 7.35× call-time throughput vs Claude Fable (10.5 vs 1.4 KB/s), within 0.5 pp of Fable accuracy
• Hard segment baseline: Fable $9.83 / ~845s on 1.2 MB prepared evidence
• Jev alone: 3.37¢ / 56s — cheapest and fastest, but accuracy drops; wrong criteria at scale cause large mistakes
• Extrapolated 1 TB model cost: Fable ~$8.16M vs Jev + 5 Luna ~$36.1k
southbridge.ai/blog/jev-entity-resolution