OpenEvidence vs Test Finder

Similar category, different focus. These tools serve overlapping but distinct needs. Comparability 65/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
OpenEvidence
by OpenEvidence
VS
Test Finder
by Labcorp

AI Verdict

OpenEvidence and Test Finder are adjacent tools, both falling under clinical decision support, but with distinct primary functions. OpenEvidence focuses on providing evidence-based answers to broad clinical questions and assisting with documentation, drawing from a wide range of medical literature. Test Finder, on the other hand, is specifically designed to streamline the selection of lab tests from Labcorp's menu based on plain language input, integrating directly into EHR workflows for efficient test ordering.

Choose OpenEvidence if…

Choose OpenEvidence if you need immediate, evidence-based answers to complex clinical questions, grounded in peer-reviewed medical literature from sources like NEJM and JAMA. It's ideal for point-of-care decision support, preparing for rounds, or quickly researching rare diseases, and can also assist with clinical documentation by transcribing patient visits and generating medical notes.

View OpenEvidence →

Choose Test Finder if…

Choose Test Finder if you are a healthcare provider looking to efficiently select the most appropriate lab tests for your patients. This AI-powered tool simplifies the process by recommending tests based on plain language descriptions of conditions, integrating directly into EHR systems for streamlined ordering and access to thousands of lab tests across various therapeutic areas.

View Test Finder →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature OpenEvidence Test Finder
Pricing Free Contact-for-details
Deployment Cloud-based (web application) and mobile applications Web-based; integrated into Labcorp.com, Labcorp Diagnostic Assistant (EHR-embedded), and Labcorp Link.
FDA Status Unknown Not applicable AI-estimated

Head-to-Head

AI-generated assessment across six dimensions based on each tool's documented features and compliance posture. Grounded in public data — not a substitute for hands-on evaluation.

Usability

OpenEvidence

OpenEvidence offers a clean and responsive user interface across web and native mobile applications, with features like Quick Consult for rapid answers and Deep Consult for more thorough literature synthesis. It also includes a new voice mode feature for hands-free interaction and supports uploading text-based documents for analysis within conversations.

Clinical Value

OpenEvidence

OpenEvidence provides AI-powered natural language question answering grounded in peer-reviewed medical evidence from reputable sources like NEJM, JAMA, NCCN, and Cochrane, with transparent sourcing. It also offers tools for clinical documentation, including transcribing patient visits and auto-generating structured medical notes, and integrates with EHRs for real-time decision support.

Pricing & Value

OpenEvidence

OpenEvidence is free for verified U.S. healthcare professionals, offering significant value compared to subscription-based alternatives. Its revenue is generated through pharmaceutical advertising and enterprise pricing models for EHR integration and data insights, making it accessible to a broad clinical audience.

Enterprise Readiness

OpenEvidence

OpenEvidence demonstrates strong enterprise readiness through its HIPAA compliance, BAA availability, and integrations with major EHR systems like Epic. It has secured enterprise deals with health systems like Mount Sinai and Cedars-Sinai, indicating its capability to meet the demands of large organizations.

Innovation

OpenEvidence

OpenEvidence showcases innovation with its AI-powered natural language question answering directly from peer-reviewed literature, its ambient AI scribe for clinical documentation, and recent additions like voice mode and the ability to upload and analyze text-based documents. It also uses an ensemble of specialized AI models for medical applications.

Support & Docs

OpenEvidence

OpenEvidence offers comprehensive support and documentation resources, including tutorials, customer support, and training sessions, with real-time support via chatbots. While detailed technical documentation for developers isn't publicly available, it provides resources to assist users in maximizing the tool's potential.

Feature-by-Feature

Detail beyond the Quick Comparison summary. For pricing, deployment, BAA, FDA, and HIPAA see the Overview tab.

Feature OpenEvidence Test Finder
Name OpenEvidence Test Finder
Company OpenEvidence Labcorp
Tagline America's Official Medical Knowledge Platform AI-Powered Lab Test Selection for Healthcare Providers
Categories Clinical Decision Support & Reference, Documentation & Scribing Clinical Decision Support & Reference, Lab & Diagnostics
Specialties Family Medicine, Hospital Medicine, Internal Medicine Family Medicine, Internal Medicine, Laboratory Medicine
EHR Integration Integrates with Electronic Health Record (EHR) systems like Epic Integration with EHRs (Epic, Cerner/Oracle, athenahealth, eClinicalWorks, NextGen)
Core Functionality AI-powered natural language question answering for clinical queries, transcribes patient visits and auto-generates structured medical notes Generative AI tool that simplifies lab test selection for healthcare providers by recommending tests based on plain language descriptions of conditions

Videos

Demos, reviews, and walkthroughs featuring OpenEvidence and Test Finder.

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Frequently Asked Questions

OpenEvidence is designed to integrate into clinical workflows by providing immediate, referenced answers to clinical questions and offering tools for clinical documentation, including transcribing patient visits and auto-generating medical notes. Test Finder, on the other hand, streamlines lab test selection by integrating directly into EHRs like Epic, Cerner/Oracle, athenahealth, eClinicalWorks, and NextGen, allowing physicians to research and identify tests using plain language within their existing systems.
OpenEvidence integrates with EHR systems like Epic, and its 'Visits' feature is designed to integrate with documentation workflows, allowing clinicians to ask questions as part of their normal documentation. Test Finder offers deep integration with major EHRs (Epic, Cerner/Oracle, athenahealth, eClinicalWorks, NextGen) through Labcorp Diagnostic Assistant and Labcorp Link, which are embedded within the EHRs and designed using FHIR standards.
OpenEvidence has reported a 100% score on USMLE-type questions and provides answers grounded in peer-reviewed medical evidence with transparent sourcing. However, some studies have reported lower accuracy on complex subspecialty scenarios (34-41%). Test Finder interprets plain language input to deliver curated, clinically relevant lab test results from Labcorp's menu, aiming to enhance clinical decision-making and streamline test selection.
OpenEvidence is relevant for primary care, internal medicine, and emergency medicine, and is built to support generalist questions with strong evidence quality. Test Finder is designed to simplify lab test selection across thousands of lab tests and therapeutic areas, making it broadly applicable for various specialties that utilize laboratory diagnostics.
OpenEvidence is designed to be intuitive, with some physicians noting it's like having a top-tier research assistant that saves time. Test Finder is designed to be user-friendly, allowing providers to use plain language input for test recommendations, which simplifies navigation of complex test menus.
OpenEvidence provides fully referenced answers with transparent sourcing to primary studies and guidelines, allowing physicians to validate the evidence. OpenEvidence also has a 'Reasoning Trace' feature that shows how the AI weighed conflicting studies, offering transparency in its synthesis quality. Test Finder provides test name, purpose, specimen type, and ordering code, which can contribute to an audit trail for lab test selection.
OpenEvidence has been adopted by over 40% of U.S. physicians daily and is embedded in more than 10,000 hospitals and medical centers, suggesting scalability for multi-site rollouts. Test Finder's integration with Labcorp Diagnostic Assistant has been implemented by more than 750 health systems and physician groups nationwide, indicating its capability for widespread deployment across multiple sites.

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Backers

Who funded each tool's parent company.

OpenEvidence

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