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Comment by shanktt

13 hours ago

Hey, member of the benchmark team. We iterated on the prompts based on observed model behaviors. A few key examples:

Schema introspection: Models were spending significant tokens exploring the database structure through trial-and-error SQL queries, so we included the complete data model in the system prompt upfront.

Reward hacking: We added explicit instructions against gaming the reconciliation checks. This reduced the frequency initially, but models would eventually ignore these constraints.

Domain context: Including company background (YC-backed startup) substantially improved transaction categorization, particularly for startup-specific items like SAFE notes that require domain knowledge to classify correctly.