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The short answer
Genuinely free AI tools for doctors in September 2026 include OpenEvidence for evidence-based clinical search (for verified US clinicians), Doximity’s suite (Scribe, Ask, Dialer), and Heidi Health’s ambient scribe (free unlimited transcription). By contrast, popular tools like Nabla Copilot and Freed AI offer only time-limited trials, not permanent free-forever plans.
The term “free AI” is overused and often misleading. Many tools advertised as free for doctors are actually just time-limited trials that end in a hard paywall, while others have hidden usage caps or lack the necessary compliance agreements to be used safely in a clinical setting. As an independent AI-tools directory, ZEKAI does not accept payment for reviews or placement. We created this guide to cut through the marketing noise and provide a verified list of what’s *actually* free for clinicians as of September 2026.
Our focus is on tools that offer a permanent, genuinely free tier, not just a 7-day trial. We also examine the critical compliance details, like the availability of a Business Associate Agreement (BAA), which is non-negotiable for handling Protected Health Information (PHI) under HIPAA. For a broader look at AI’s impact on healthcare, see our complete guide to AI for doctors and medical professionals.
The Free-Tier Verification Rubric
To create this list, we evaluated tools against a strict rubric. A tool only qualifies as “genuinely free” if it meets these criteria as of September 2026:
- Permanent Free Tier: It offers a plan that is free forever, not a trial that expires.
- No Hard Paywall for Core Function: The main feature (e.g., transcription, literature search) is usable without a paid subscription.
- Transparent Limits: Any caps on the free tier (e.g., number of notes, advanced features) are clearly stated.
- Clinical Utility: The tool is designed for clinical work, not a generic business app repurposed for healthcare.
We separate these from “limited trials,” which can be useful for evaluation but are not a long-term free solution.
now use AI in their practices, more than double the rate in 2023, according to a 2026 survey from the American Medical Association. Source: ama-assn.org
Genuinely Free, No Catch (as of September 2026)
These tools offer a permanent free tier that provides significant value for daily clinical work.
1. OpenEvidence
OpenEvidence
The best free tool for evidence-based clinical questions at the point of care.
Free plan available
OpenEvidence has become a dominant force in clinical AI by offering a fast, free, and citation-backed search engine. It allows clinicians to ask complex clinical questions and receive summarized answers grounded in licensed, peer-reviewed literature from sources like NEJM and JAMA. It is funded by pharmaceutical advertising.
The platform is genuinely free for verified U.S. healthcare professionals with a National Provider Identifier (NPI) number. It also offers free AMA PRA Category 1 CME credits for activity on the platform, a significant value-add for maintaining licensure.
What it does badly: Its biggest limitation is geographic; as of April 2026, it is only available to clinicians in the United States, having withdrawn from the EU and UK. The ad-based model also raises potential conflict-of-interest questions that clinicians should consider.
Who should use it: Any NPI-verified clinician in the U.S. who needs quick, evidence-based answers to clinical questions during patient encounters.
- Price from
- Free (ad-supported)
- Free tier
- Unlimited search and summaries for verified US clinicians.
2. Doximity Clinical AI Suite (Scribe, Ask, Dialer)
Doximity
An excellent, integrated suite of free documentation and communication tools for existing Doximity members.
Doximity, a network used by over 85% of U.S. physicians, offers a powerful set of free, HIPAA-compliant AI tools. The suite includes:
- Doximity Scribe: An ambient AI tool that generates clinical notes from recorded encounters.
- Doximity Ask: An AI assistant (formerly DoxGPT) for clinical questions, drafting patient letters, and other administrative tasks.
- Doximity Dialer: A tool for making private patient calls that now integrates with the AI features.
The entire suite is offered free of charge to verified U.S. physicians, NPs, PAs, and other eligible clinicians on the Doximity platform. This makes it one of the most accessible and comprehensive free offerings available.
What it does badly: The service is restricted to verified Doximity members in the U.S., limiting access for international clinicians. The Scribe tool’s workflow still relies on copying and pasting notes into the EHR rather than offering deep, native write-back integration like some paid enterprise systems.
Who should use it: U.S. clinicians who are already active on the Doximity platform and want a no-cost, integrated solution for documentation and administrative help.
- Price from
- Free
- Free tier
- Free access to Scribe, Ask, and Dialer for verified US clinicians.
3. Heidi Health
Heidi Health
A strong free ambient scribe with broad specialty coverage and multilingual support.
Heidi Health offers a true “freemium” model, distinguishing it from trial-based competitors. Its free-forever plan includes unlimited transcription and generation of standard clinical notes, making it a viable option for full-time use without a subscription. The platform boasts wide specialty coverage (over 200 specialties) and supports multiple languages.
Paid tiers unlock more advanced features, but the core functionality of turning a patient conversation into a structured note is genuinely free.
What it does badly: While the free tier is generous, advanced features and deeper integrations require upgrading to a paid plan. Like many app-based scribes, the workflow for transferring notes to an EHR is less seamless than the deep integrations offered by enterprise-level tools.
Who should use it: Solo practitioners, clinicians in multilingual settings, or those in specialties outside of primary care who need a robust, no-cost ambient scribe and are comfortable with a copy-paste workflow.
- Price from
- Freemium
- Free tier
- Unlimited transcription and standard note generation.
Limited Trials Disguised as “Free”
These tools are excellent but offer only a limited-time trial, not a permanent free plan for clinical use. They are best for short-term evaluation before committing to a paid subscription.
1. Nabla Copilot
Nabla Copilot
A top-tier enterprise scribe with a trial that’s good for evaluation, not for long-term free use.
Free plan; paid from $119/mo
Nabla Copilot is a highly-regarded ambient AI scribe used by major health systems like the University of Iowa Health Care and Denver Health. It is known for its strong privacy architecture (audio is processed in-browser and not stored on Nabla’s servers) and deep EHR integrations.
However, its free offering is a trial with volume limits, not a permanent plan. Critically, the standard free tier does not come with a BAA, making it unsuitable for live patient encounters without upgrading to a paid plan where a BAA is provided.
What it does badly: The free tier is not a viable long-term solution for clinical practice due to usage limits and the lack of a BAA. Pricing is not public and requires a sales demo for a quote.
Who should NOT use the free tier: Any clinician needing to document live patient encounters. The free trial is for personal testing and evaluation only.
- Price from
- Paid (custom)
- Free tier
- Limited free trial, then paid plans starting around $119/month.
2. Freed AI
Freed AI
A great scribe for solo practitioners, but it’s a paid tool with a trial, not a free one.
Free plan; paid from $39/mo
Freed AI is a popular AI scribe designed specifically for solo and small-practice clinicians. It’s known for its user-friendly Chrome extension and straightforward pricing. However, it is a paid tool. As of September 2026, Freed offers a 7-day free trial, after which users must subscribe to a paid plan (starting at $99/month) to continue using the service. There is no permanent free tier.
What it does badly: It markets itself heavily to clinicians looking for cost-effective solutions, but it is not a free tool. The workflow is browser-based and relies on copy-paste, which is less efficient than the integrated solutions of enterprise competitors.
Who should use it: Solo clinicians who are willing to pay for a scribe after a short evaluation period. It is not an option for those seeking a permanently free tool.
- Price from
- From $99/mo
- Free tier
- 7-day free trial, no permanent free plan.
Side-by-Side Comparison: Free Tiers & Pricing (as of September 2026)
“Free” is rarely simple. This table clarifies the exact terms for leading tools, verified by our team.
| Tool | Genuinely Free? | Free Tier Limits (as of Sep 2026) | Paid Plan Starts At | BAA on Free Tier? |
|---|---|---|---|---|
| OpenEvidence | Yes | Unlimited use, but requires US NPI verification. | N/A (Ad-supported) | Yes (Implicit in ToS) |
| Doximity Suite | Yes | Unlimited use for verified US clinicians. | N/A (Free) | Yes |
| Heidi Health | Yes | Unlimited transcription; advanced features are paid. | ~$110/month | — |
| Nabla Copilot | No (Trial only) | Limited number of consultations for trial. | ~$119/month | No |
| Freed AI | No (Trial only) | 7-day trial period. | $99/month | Yes (During trial) |
| Biofourmis | No | Enterprise-only platform for health systems. | Custom (Enterprise) | N/A (Not for individuals) |
Swipe the table sideways →
What “Free” Doesn’t Cover: BAAs, Data Use, and Hidden Costs
Even with genuinely free tools, clinicians must perform their own due diligence.
Compliance Note: “Free” Doesn’t Mean No BAA Required
Under HIPAA, any third-party vendor that handles PHI on your behalf is a “Business Associate.” You must have a signed Business Associate Agreement (BAA) in place with that vendor before using their service with patient data. This legal requirement does not change just because a tool is free.
Using a “free” AI scribe to record a patient visit without a BAA is a HIPAA violation.
The risk is not theoretical. In April 2026, a class-action lawsuit was filed against Sutter Health and MemorialCare, alleging violations of the California Invasion of Privacy Act (CIPA) and the Federal Wiretap Act over their use of an AI scribe without adequate patient consent. The lawsuit highlights the serious legal and financial risks ($5,000 per violation under CIPA) of deploying these tools without rigorous compliance. Always verify that a BAA is available and signed before using any AI tool, free or paid, with PHI.
scribe systems have baseline hallucination rates of 1-3%, according to a review in *npj Digital Medicine*. This underscores the need for clinician review of every AI-generated note. Source: adsc.com
Data and Funding Models
Free tools are paid for somehow. OpenEvidence is funded by pharmaceutical advertising shown to clinicians. Doximity’s tools are part of its broader platform, which generates revenue from pharmaceutical manufacturers, health systems, and recruiters. Understanding the business model is key to assessing potential conflicts of interest or data privacy implications.
For a deeper dive into other tools, including paid options and those for different specialties, visit our guide to AI tool alternatives.
Can I use ChatGPT for clinical documentation?
No. The free, consumer version of ChatGPT does not come with a BAA and is not HIPAA-compliant. Pasting patient information into it is a violation of patient privacy. While OpenAI launched a “ChatGPT for Clinicians” tier in April 2026, you must ensure you are using a compliant version and have a BAA in place.
Are free AI scribes accurate enough for medical use?
It depends, but all require verification. Studies show that even the best AI scribes can have hallucination rates of 1-3% or higher, where the AI invents information that was not said. These errors can become part of the permanent medical record if not caught. Clinicians are always liable for the final content of the note.
Do patients need to consent to the use of an AI scribe?
Yes. Depending on your state’s laws (e.g., two-party consent states like California), you must obtain explicit consent from the patient before recording an encounter. The recent CIPA lawsuits against major health systems underscore the legal risk of failing to get proper consent for ambient AI scribes.
What is the best free AI for answering clinical questions?
As of September 2026, OpenEvidence is the leading free tool for answering evidence-based clinical questions for verified U.S. clinicians. It provides summarized answers with direct citations to peer-reviewed literature. Doximity Ask is another strong, free alternative for Doximity members.
What is a Business Associate Agreement (BAA) and why do I need one?
A BAA is a legal contract required by HIPAA between a healthcare provider (a “Covered Entity”) and a third-party vendor (a “Business Associate”) that will handle PHI. The BAA ensures the vendor will protect the patient data according to HIPAA standards. Using a vendor without a BAA is a compliance violation.
Do any free AI tools integrate directly with my EHR?
Generally, no. Deep, write-back EHR integration is a premium feature typically reserved for paid, enterprise-level platforms like Microsoft Dragon Copilot or the enterprise tiers of Nabla Copilot and Abridge. Most free tools require you to copy and paste the generated note into your EHR.
Are there free AI tools for doctors outside the US?
Yes, but options are more limited. Heidi Health’s free tier is available globally and supports multiple languages. However, major U.S.-centric platforms like OpenEvidence and Doximity are restricted to verified U.S. clinicians, cutting off access for many international doctors.
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