Document processing

Finch · Parallel

Vendor-reportedProfessional servicesUnited StatesIn productionAI agentsLive 2025

Vendor-reported. The customer is named and the numbers are quoted from the source page, but the account comes from the vendor. No independent confirmation.

Reported by parallel.ai (vendor self-report). Checked against the source page on 2026-09-06. 3 of 3 figures below appear on that page word for word.

The problem

Finch's AI agents for legal research relied on an unreliable third-party search API, leading to inconsistent data, significant defensive engineering overhead, and a complex three-step search-extract-validate workflow.

What was deployed

Vendor
Parallel
Products
Parallel Task API, Lite Processor, Core
Technique
AI agents
Build or buy
Bought off the shelf
Deployment
API
Data used
case-relevant facts from the web
Scale
runs all web research through it
Timeline
3 months

What changed

Each row is quoted from the source. Figures we could not find on the page in those words are marked — they are kept, not deleted, so you can judge them.

per-query costs

cutting per-query costs by 96%

Quoted word for word from the source

per-task cost

A 90% drop in per-task cost.

Quoted word for word from the source · round percentage, no baseline given

Zero5xx errors or timeoutsthree-plus months

Zero 5xx errors or timeouts across three-plus months in production

Quoted word for word from the source

defensive engineering overhead

eliminating the defensive engineering overhead that came with an unreliable vendor.

Quoted word for word from the source

product featuresengineering time spent on product featuresfrom defensive validation layers

The team that previously built defensive validation layers around an unreliable API now builds product features instead.

Quoted word for word from the source

We went from spending engineering cycles on defensive validation to spending them on product. The Task API gives us structured outputs with citations in a single call, which is exactly what production legal AI needs.
Ben Weems, CTO, Finch

Sources

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