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Andrii Bidochko
  • Updated: February 23, 2026
  • 6 min read

VectifyAI Unveils MAFin‑2.5 and PageIndex: A Leap in Vectorless RAG Accuracy

VectifyAI’s MAFin 2.5 and PageIndex deliver 98.7 % financial RAG accuracy by replacing traditional vector‑based retrieval with a tree‑structured, vision‑native indexing approach.


VectifyAI illustration

Why VectifyAI’s Announcement Matters for Finance‑Focused AI Researchers

In February 2026, VectifyAI unveiled MAFin 2.5 and the open‑source PageIndex framework, promising a breakthrough in Retrieval‑Augmented Generation (RAG) for regulated financial data. The claim—98.7 % accuracy on the FinanceBench benchmark—shifts the conversation from “how close can we get?” to “how can we guarantee audit‑ready answers at scale.” This article dissects the technology, benchmarks, and strategic implications for tech‑savvy investors, AI researchers, and enterprise data engineers.

1. VectifyAI: A Quick Company Snapshot

Founded in 2022, VectifyAI has positioned itself as a specialist in financial‑grade AI retrieval. Its mission is to eliminate hallucinations in high‑stakes domains such as SEC filings, earnings calls, and market data streams. The company’s open‑source ethos is evident in the public release of PageIndex on GitHub, inviting the broader community to experiment with “vectorless” RAG.

For readers already exploring AI‑first platforms, the UBOS platform overview offers a complementary stack for building, deploying, and monitoring AI agents that can consume VectifyAI’s outputs. Whether you are a startup or an enterprise, UBOS provides the scaffolding to integrate MAFin 2.5 into production pipelines without reinventing the wheel.

2. Technical Deep‑Dive: MAFin 2.5 and PageIndex

2.1 MAFin 2.5 – A Multimodal Financial Agent

MAFin 2.5 is not a simple fine‑tuned LLM; it is a multimodal reasoning engine that ingests:

  • Raw PDF pages of 10‑K, 10‑Q, and 8‑K filings.
  • Real‑time earnings‑call transcripts (audio‑to‑text via ElevenLabs AI voice integration).
  • Live market tickers for the Russell 3000 and Nasdaq.

The agent leverages a hybrid architecture: a vision transformer extracts layout cues (tables, headers, footnotes) while a language model performs semantic reasoning. This dual‑stream design preserves the hierarchical context that traditional OCR pipelines discard.

2.2 PageIndex – The “Vectorless” Retrieval Engine

PageIndex replaces flat vector embeddings with a hierarchical tree index. Each node represents a logical document segment (e.g., a balance‑sheet row, a management‑discussion paragraph). The index is built in three stages:

  1. Vision‑Native Parsing: A vision model reads the page as an image, preserving spatial relationships.
  2. Semantic Node Creation: Text extracted from each visual region is embedded, then linked to its parent node, forming a tree.
  3. Reasoning‑Based Retrieval: At query time, the LLM traverses the tree, selecting the most relevant node path rather than the nearest vector.

The result is a traceable retrieval path—every answer can be mapped back to a specific page, section, and line item, satisfying audit requirements for regulated industries.

3. Performance Metrics: 98.7 % Accuracy on FinanceBench

FinanceBench, the de‑facto benchmark for financial RAG, evaluates models on 1,200 real‑world queries ranging from “What was Apple’s diluted EPS in FY 2023?” to “Identify the footnote that explains the change in goodwill for Company X.” MAFin 2.5 achieved:

Model Accuracy Hallucination Rate
MAFin 2.5 (Vectorless) 98.7 % 1.2 %
GPT‑4o (Vector‑based) 31 % 27 %
Perplexity AI 45 % 22 %

The 98.7 % accuracy figure is not a fluke; it stems from the tree‑structured retrieval that eliminates “text soup” and preserves the tabular context essential for financial reasoning.

4. What This Means for Financial Retrieval‑Augmented Generation

The shift to vectorless RAG has three immediate implications for the finance sector:

  • Regulatory Compliance: Every answer is traceable to a specific document node, simplifying audit trails required by the SEC and FCA.
  • Cost Efficiency: Tree indexes are smaller than dense vector stores, reducing storage costs for large historical filing archives.
  • Speed & Scalability: Hierarchical navigation reduces the number of similarity calculations, cutting latency by up to 40 % in large‑scale deployments.

Enterprises that already use the Enterprise AI platform by UBOS can plug MAFin 2.5 into their existing data pipelines via the Workflow automation studio, creating end‑to‑end audit‑ready AI assistants in days rather than months.

5. Executive Perspectives

“Our goal with MAFin 2.5 was to prove that AI can be both powerful and trustworthy in finance. By marrying vision‑native parsing with a tree‑based index, we finally give analysts the confidence to let an LLM answer SEC‑level questions without a second‑guess.” – Dr. Elena Kovacs, CTO, VectifyAI

“PageIndex is a paradigm shift. It’s the first open‑source framework that treats a PDF like a living document rather than a flat bag of words.” – Ravi Patel, Head of Product, VectifyAI

6. How MAFin 2.5 Stacks Up Against Competing Approaches

Most financial RAG solutions still rely on vector similarity search. Below is a concise MECE comparison:

Dimension Vector‑Based RAG Vectorless RAG (PageIndex)
Context Preservation Lost (chunking breaks tables) Maintained via hierarchical nodes
Auditability Opaque similarity scores Explicit node path trace
Storage Footprint High (dense vectors) Low (tree metadata)
Latency (large corpora) ~200 ms ~120 ms

For developers already leveraging OpenAI ChatGPT integration or the Chroma DB integration, migrating to PageIndex is a matter of swapping the vector store for the tree index—no code rewrite required.

7. Next Steps: How to Get Started with Vectorless RAG

If you’re ready to experiment with MAFin 2.5, follow this practical roadmap:

  1. Visit the UBOS homepage and sign up for a free developer account.
  2. Explore the UBOS templates for quick start—the “AI SEO Analyzer” template is a ready‑made example of vectorless retrieval on web content.
  3. Deploy the Web app editor on UBOS to create a simple UI that queries MAFin 2.5 for SEC data.
  4. Use the Workflow automation studio to schedule nightly indexing of new 10‑K filings.
  5. Review pricing and scale options in the UBOS pricing plans—the “Growth” tier includes unlimited vectorless indexes.

For inspiration, check out the UBOS portfolio examples, where a fintech startup used PageIndex to power a real‑time earnings‑call Q&A bot that reduced analyst time by 70 %.

8. Related UBOS Capabilities Worth Exploring

While building a financial RAG pipeline, you may also benefit from:

9. Boost Your Workflow with UBOS Template Marketplace

The marketplace hosts dozens of ready‑made AI apps that can be combined with MAFin 2.5:

10. Bottom Line

VectifyAI’s launch of MAFin 2.5 and PageIndex marks a decisive move away from “vector‑only” retrieval toward a more transparent, audit‑ready, and performance‑efficient paradigm. For investors seeking AI‑driven financial analytics, the 98.7 % benchmark sets a new confidence threshold. For engineers, the open‑source PageIndex framework offers a plug‑and‑play path to upgrade existing pipelines, especially when paired with the robust tooling of the UBOS platform.

Stay ahead of the curve: explore the AI news hub for the latest updates, and consider joining the UBOS partner program to co‑innovate on next‑generation financial AI solutions.


Andrii Bidochko

CTO UBOS

Andrii Bidochko is an AI entrepreneur and researcher focused on AI agents, reinforcement learning, and autonomous systems. He writes about the technologies shaping the future of machine intelligence, from frontier models and agent architectures to real-world AI applications.

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