Multi-Pass Extraction Results from Real Leases
Five commercial leases. Nine CAM fields each. Verified against SEC EDGAR public filings — no synthetic data.
SEC EDGAR public filings · No synthetic data · Verified results
By Angel Campa · ·
How the Pipeline Works
Three specialized models in sequence — each with a different job.
Full Extraction
MiniMax M2.7
Reads the entire lease and extracts all 9 CAM fields in a single structured pass.
Adversarial Validation
GPT-5.4 Mini
Challenges Pass 1 output. Corrections require ≥70% confidence to override.
Escalation Tiebreaker
GLM-5
Fires on <20% of leases when Pass 1 and Pass 2 disagree on high-stakes fields.
Merge priority: Pass 2 corrections override Pass 1 only at ≥70% confidence. Pass 3 tiebreaker takes precedence over both when triggered.
9 fields
Per lease, every CAM reconciliation variable
~$0.50
Typical cost per lease processed
4–8×
Cost reduction vs. single-pass Claude Sonnet
Five Leases, Verified Results
Each lease sourced from SEC EDGAR public filings. Extraction results verified against lease text.
Stella Link Shopping Center — Neurogene
15% admin fee buried in §23.5
Single-pass models frequently miss admin fee clauses embedded deep in long retail leases. The adversarial pass confirmed the 15% rate with ≥70% confidence, preventing a common landlord under-collection error.
The 9 CAM Reconciliation Fields
Every field required to fully reconstruct a tenant's CAM exposure.
base_year
Calendar year used as the expense baseline for stops
base_year_amount
Dollar amount of the base year stop, if explicitly stated
gross_up_base_year
Occupancy percentage to normalize base year to full-occupancy costs
pro_rata_share
Tenant's percentage share of CAM expenses
cap_type
Whether expense cap is cumulative (compounding) or non-cumulative
cap_rate
Annual percentage ceiling on CAM expense increases
admin_fee_percentage
Management / administrative fee added on top of direct expenses
excluded_pools
Expense categories explicitly excluded from CAM (capital, structural, etc.)
accounting_basis
Whether expenses are tracked on cash or accrual basis
Pipeline Economics
Three-model architecture keeps costs low without sacrificing accuracy.
vs. single-pass Claude Sonnet: $2–4 per lease
See Multi-Pass Extraction on Your Leases
Upload a lease PDF and get structured CAM fields in minutes.
Extract My Lease Fields