The short version
Extend is strongest around a developer-first API suite that parses, extracts, classifies, splits, edits, and verifies documents, with a dashboard for iterating on a schema before the call goes into code. Cogneris is built for teams that need document AI to become production workflow infrastructure: schema-based extraction, citations, validation, human review, webhook delivery, tenant controls, and audit trail.
| Capability | Cogneris | Extend |
|---|---|---|
| Primary fit | Document AI platform for API-first workflows and portals | API suite of document primitives: parse, extract, classify, split, edit, verify |
| Extraction output | Typed JSON, confidence, citations, validation, audit metadata | Structured JSON for extraction; markdown or blocks for parsing |
| Workflow layer | Review queues, portal intake, reminders, webhooks, QA state, per-field confidence | Multi-step workflows that chain classification, splitting, and extraction |
| Engineering control | REST API, schemas, async jobs, validation rules, per-tenant controls | REST API and language SDKs; a dashboard to build and test before copying the call |
| Best buyer | Engineering, product, operations, and compliance teams sharing one document workflow | Engineering teams assembling their own pipeline from document-processing primitives |
What Extend publishes
Checked 11 November 2026 against Extend's public documentation. Extend describes itself as a platform for building, iterating on, evaluating, and deploying document processing, with six API products: parsing to markdown or blocks for RAG and agents, extraction of fields into JSON, classification for routing, splitting of multi-document PDFs, editing to fill forms or generate completed PDFs, and verification of tampered or AI-generated documents. Workflows chain those steps. Extend says it combines in-house trained models with frontier models, and publishes SDKs for Python, TypeScript, Java, and Go. Pricing, deployment options, and security posture are not described on that page; confirm them with Extend directly. We cite no competitor prices on this page.
When to choose which
Choose Extend when you want a broad set of document primitives, including form editing and tamper checks, and you plan to own the workflow around them. Choose Cogneris when the workflow itself is what you need to buy: review state, validation rules, portal intake, and audit evidence attached to every field.
Choose Cogneris when
You need extraction, validation, review, audit trail, and portal workflow in one API-first platform, billed pay-per-page.
Choose Extend when
Your team is composing a pipeline from parse, extract, classify, split, edit, and verify calls and wants a dashboard to iterate on each step.
Evaluation tip
Test with your hardest 25 documents, not a demo set. Compare field accuracy, citation quality, latency, review effort, and total platform work.
Questions to ask during evaluation
Ask which model handled each field and whether that is recorded, how a schema change is versioned and replayed, what happens to a low-confidence field before it reaches your system of record, how webhook deliveries are signed and retried, and whether the audit log includes model version, prompt version, reviewer ID, and validation status.