Business Wire

Vectara Launches Factual Consistency Score Powered by Upgraded Hughes Hallucination Evaluation Model to Enhance Transparency in GenAI Responses

26.3.2024 14:00:00 CET | Business Wire | Press Release

Share

Vectara, the trusted Generative AI product platform, announced the inclusion of a Factual Consistency Score (FCS) for all generative responses based on an evolved version of the groundbreaking Hughes Hallucination Evaluation Model (HHEM)—the #1 hallucination detection model on Hugging Face with 100,000+ downloads since its launch last November. The associated Hallucination Leaderboard is now the industry standard for how LLMs benchmark their average factual consistency. Vectara’s end-to-end Retrieval Augmented Generation-as-a-service (RAGaaS) platform is setting a new standard as an industry-first feature for GenAI response transparency by providing real-time end-to-end RAG observability. This innovative metric provides unprecedented visibility into the factual consistency of summarized responses within Vectara’s RAGaaS platform, empowering users to set personalized thresholds for response acceptance based on a detailed accuracy score.

With average hallucination rates of LLMs on the market ranging from 3% to 16.2%, the risk of unknown inaccuracies in their response remains a major concern, preventing widespread business adoption of this powerful technology. Vectara mitigates this ambiguity for enterprises by providing a Factual Consistency Score grading the likelihood that the generated response is a hallucination or not. Only with a standardized, scientifically calculated method for grading responses can businesses responsibly introduce GenAI into business critical applications. Users have the ability to set thresholds for response acceptance based on a detailed accuracy score, giving product teams the flexibility to act on this information according to their preferences.

Vectara’s Factual Consistency Score is a groundbreaking tool in GenAI, setting a new benchmark for real-time hallucination detection and offering superior performance, affordability, and speed, thus marking a significant leap forward in trust. Its efficiency and effectiveness enable businesses to deploy GenAI into critical product use cases without being worried about exposure to liabilities that might arise from hallucinated responses.

Vectara's Factual Consistency Score equips developers with the capability to refine and enhance a wide range of applications, from internal Q&A systems to the quality of interactions with end consumers. The strength of this score lies in its calibration, making it interpretable as a direct probability—for instance, a score of 0.98 indicates a 98% probability of factual consistency. This contrasts sharply with many contemporary ML classifiers that disregard calibration, thus sacrificing clarity and direct interpretability.

"Integrating Vectara's Factual Consistency Score into the Yobi app will revolutionize how we handle AI transparency and accuracy for business use cases. By providing visibility and accountability into answers provided by our platform, we can stay true to our commitment to responsible AI that enterprises can depend on,” said Ahmed Reza, Founder and CEO of the Yobi app. “As a Co-Innovate Partner with Vectara, we're thrilled to see such advanced technology directly incorporated into the Vectara platform.”

The advanced HHEM that powers the Factual Consistency Score gives greater visibility than previously released open-sourced versions, offering enhanced accuracy and extended language support. This initiative is part of Vectara's commitment to transparency and control, empowering businesses with the autonomy to manage AI responses effectively.

"Just as we were early in pioneering RAG to enhance the relevance and quality of generated content, we are once again at the forefront of responsible AI by being completely open about our efforts to mitigate hallucinations in Generative AI," said Amr Awadallah, co-founder and CEO of Vectara. "By providing our customers with real-time access to factual consistency scores, we're not just engineering trust; we're handing over the control, enabling them to make informed decisions on how to utilize the responses generated by our RAGaaS platform."

About Vectara

Vectara is an end-to-end platform for embedding powerful generative AI features into applications with extraordinary results. As an end-to-end Retrieval Augmented Generation (RAG) platform, Vectara delivers the shortest path to a correct answer/action through a safe, secure, and trusted entry point. Vectara never trains on your data, allowing businesses to embed generative AI capabilities without the risk of data or privacy violations. To learn more, visit vectara.com.

To view this piece of content from cts.businesswire.com, please give your consent at the top of this page.

Contact information

Carly Bourne
carly@bulleitgroup.com
423-443-0449

About Business Wire

Business Wire
Business Wire
24 Martin Lane
EC4R 0DR London

+44 20 7626 1982http://www.businesswire.com

Subscribe to releases from Business Wire

Subscribe to all the latest releases from Business Wire by registering your e-mail address below. You can unsubscribe at any time.

Latest releases from Business Wire

Galderma Receives U.S. FDA Approval for Differin ® Epiduo ® Acne Gel Prescription-to-OTC Switch22.5.2026 18:25:00 CEST | Press Release

Galderma (SIX: GALD), the pure-play dermatology category leader, today announced that the United States (U.S.) Food and Drug Administration (FDA) has approved Differin® Epiduo® Acne Gel (Adapalene 0.1% and Benzoyl Peroxide 2.5% Acne Treatment) for over-the-counter (OTC) use in ages 12 years and older, marking a significant Prescription-to-OTC transition in acne care. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260522074280/en/ The U.S. FDA approves Differin® Epiduo® Acne Gel Prescription-to-OTC switch This milestone represents yet another example of Galderma’s unique Integrated Dermatology strategy, demonstrating how proven innovations from its Therapeutic Dermatology portfolio can further strengthen its Dermatological Skincare offerings. The Prescription‑to‑OTC transition highlights Galderma’s scale and expertise in successfully commercializing dermatology innovations across the full spectrum of acne care. With the appro

Avanzanite Bioscience’s Partner Agios Announces PYRUKYND® (mitapivat) Approval in the European Union for Adults with Thalassaemia22.5.2026 16:18:00 CEST | Press Release

Avanzanite Bioscience B.V., a rapidly growing commercial-stage European specialty pharmaceutical company focused on rare diseases, today reported that its partner, Agios Pharmaceuticals, Inc. (Nasdaq: AGIO), a commercial-stage biopharmaceutical company headquartered in Cambridge, Massachusetts focused on delivering innovative medicines for patients with rare diseases, announced that the European Commission has granted marketing authorisation for PYRUKYND® (mitapivat), an oral pyruvate kinase (PK) activator, in adults for the treatment of anaemia associated with transfusion-dependent and non-transfusion-dependent alpha- or beta-thalassaemia, with an orphan medicinal product designation. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260522186975/en/ Adam Plich, CEO and Co-Founder of Avanzanite Bioscience. “Thalassaemia is a complex, chronic and multisystem disease characterised by anaemia, ineffective erythropoiesis and haemo

ICE Brent and ICE WTI Perpetual Futures to Launch on OKX22.5.2026 14:30:00 CEST | Press Release

OKX, a blockchain technology and trading company serving more than 120 million customers globally,and Intercontinental Exchange (NYSE: ICE), one of the world's leading providers of financial market technology and data powering global capital markets including the New York Stock Exchange, today announced plans for OKX to launch perpetual futures based on ICE's Brent Crude and WTI Crude energy benchmarks. The products are expected to be available to trade on OKX’s platform in jurisdictions where OKX is licensed to offer perpetual futures products. The new OKX contracts represent a major step forward in expanding regulated access to global commodity markets through digital asset infrastructure. This first product collaboration between OKX and ICE comes after the companies established a strategic relationship in March 2026. ICE operates some of the world’s leading exchanges, clearing houses and market data services across energy, commodities, fixed income and equities markets. ICE’s future

Enhertu ® Recommended for Approval in the EU by CHMP for Patients with Previously Treated HER2 Positive Metastatic Solid Tumors22.5.2026 14:00:00 CEST | Press Release

Enhertu® (trastuzumab deruxtecan) has been recommended for approval in the European Union (EU) as a monotherapy for the treatment of adult patients with unresectable or metastatic HER2 positive (immunohistochemistry [IHC] 3+) solid tumors who have received prior treatment and who have no satisfactory treatment options. Enhertu is a specifically engineered HER2 directed DXd antibody drug conjugate (ADC) discovered by Daiichi Sankyo (TSE: 4568) and being jointly developed and commercialized by Daiichi Sankyo and AstraZeneca (LSE/STO/NYSE: AZN). The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) based its positive opinion on results from patients with HER2 positive (IHC 3+) tumors in three phase 2 trials including DESTINY-PanTumor02,DESTINY-Lung01 andDESTINY-CRC02 where Enhertu demonstrated clinically meaningful responses across a broad range of tumors. The recommendation will now be reviewed by the European Commission, which has the authority

Future Health Challenge Awards USD 300,000 to Early Detection and Population Health Sensing Tools on Sidelines of World Health Assembly22.5.2026 13:45:00 CEST | Press Release

Three global teams developing early detection and real-time population health monitoring solutions have secured a total of USD 300,000 on the sidelines of the 79th World Health Assembly. The winning solutions address critical challenges in early detection, continuous population insight and more timely decision making, signalling a shift in health systems from late-stage treatment to earlier intervention. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260522587414/en/ Selected from 393 submissions across 68 countries, the winning teams were recognised through the inaugural ‘Future Health Challenge 2026: Building Anticipatory Health Systems through Population Sensing’, delivered by Future Health – A Global Initiative by Abu Dhabi in collaboration with MIT Solve. Health systems globally are facing rising costs and persistent delays in diagnosis, with many conditions still identified only after symptoms become severe. At the sam

In our pressroom you can read all our latest releases, find our press contacts, images, documents and other relevant information about us.

Visit our pressroom
World GlobeA line styled icon from Orion Icon Library.HiddenA line styled icon from Orion Icon Library.Eye