As artificial intelligence makes its way into every field, medicine remains one of the sectors most open to transformation by AI. Alongside the rise of general-purpose models like ChatGPT, a new generation of specialized AI is emerging. Among them, MedGPT, a French model dedicated to healthcare, is drawing attention for its accuracy, accessibility, and open-source nature. Available for free and trained on verified medical data, MedGPT aims to offer a credible and responsible alternative to more general-purpose tools, such as ChatGPT or Bard.
But how does this model actually differ from an AI assistant like ChatGPT? And what does this initiative reveal about the future of AI specialized in critical fields such as healthcare?
Why develop AI specifically for the medical field?
Language models like ChatGPT have demonstrated impressive capabilities in text generation, rephrasing information, and summarization. However, when it comes to healthcare, these general-purpose models have several limitations:
- General-purpose data: These models are trained on large but unfiltered datasets that may contain inaccurate or outdated medical information.
- Lack of traceability of sources: the answers do not consistently cite validated medical references.
- Frequent hallucinations: some models may invent medical conditions or recommend treatments that do not exist1.
- Non-compliance with European standards: Most AI systems are calibrated for North American healthcare systems.
In this context, researchers and healthcare professionals have come to recognize the need for a reliable, transparent model that is aligned with the European regulatory framework.
MedGPT: AI designed to understand healthcare
Developed by an interdisciplinary team of French researchers (including those from Inserm, AP-HP, and several medical universities), MedGPT is based on specialized training using medically validated databases: prescribing guidelines, scientific publications, medication labels, and clinical guidelines2.
Unlike consumer-oriented models, MedGPT prioritizes clarity, reliability, and medical neutrality. Its goal is not to replace doctors, but to assist healthcare professionals and students by providing context-specific, well-researched answers tailored to the French-speaking medical community.
MedGPT vs. ChatGPT: Two Philosophies, Two Outcomes
A comparison between MedGPT and ChatGPT reveals several major differences:
| Criterion | MedGPT | ChatGPT |
| Training data | Validated medical corpus | General, unfiltered data |
| Response style | Neutral, factual, understated | More conversational, sometimes rough |
| References | Included, sourced from medical references | Generally absent or unclear |
| Clarification on clinical cases | Better (fewer hallucinations) | Less reliable in complex cases3 |
| Accessibility | Free, open source | Freemium, proprietary model |
| Target | Students, healthcare providers, researchers | General public, wide-ranging uses |
This distinction highlights two different approaches: on the one hand, a versatile but non-specialized AI assistant; on the other, a focused, rigorous tool designed for structured medical or educational use.
Practical and promising use cases
In tests conducted by medical residents and pharmacy students, MedGPT demonstrated greater stability than ChatGPT in cases such as:
- the analysis of feigned symptoms,
- explanation of treatments,
- the synthesis of complex clinical protocols,
- to check for side effects or drug interactions.
The responses provided by MedGPT consistently include disclaimers, reminders that they are not a substitute for medical advice, and explicit sources. This approach makes it a reliable learning tool for medical and paramedical studies.
Open source and free of charge: a strategic choice
One of the most notable features of MedGPT is that it is available for free and is open-source. This allows:
- transparency in its operations, including the dataset used,
- opportunities for verification or auditing by independent third parties,
- local adaptation in hospitals, universities, or NGOs, including in underserved French-speaking communities.
In a world dominated by GAFAM, this French initiative marks a step toward digital sovereignty in healthcare: professionals can take ownership of the tool, improve it, and adapt it to their specific context, without relying on a foreign commercial entity.
What kind of regulation is needed for medical AI?
While the MedGPT initiative is welcomed, it must not overlook the ethical issues that accompany any AI application in healthcare:
- How can we prevent patients from using it as a self-diagnostic tool without supervision?
- Who is responsible in the event of an error or misinterpretation of an answer?
- What safeguards does it provide regarding the protection of personal data when integrated into digital systems?
These issues are particularly important in a European context, where the AI Act and the GDPR impose high standards of transparency, traceability, and accountability.
Toward a future of specialized, autonomous, and responsible AI?
With MedGPT, France is demonstrating that it is possible to develop powerful, free, and open-source AI without compromising on reliability and ethical standards. This model, which is still in the testing phase at several institutions, could herald a new generation of specialized tools tailored to the specific needs of sensitive fields such as medicine, law, education, and the environment.
At a time when the proliferation of general-purpose AI systems is raising questions about quality, governance, and sovereignty, MedGPT poses a fundamental question: Will the future of artificial intelligence hinge on specialization, transparency… and free access?
Learn more
On this blog, we’ve already discussed similar initiatives aimed at relocating and specializing AI. Also check out:
- Apertus: A Swiss ChatGPT that is transparent and accessible to everyone
- GPT-OSS: OpenAI Releases Its First Open-Source Models Since 2019
References
1. Marcus, G. & Davis, E. (2023). Rebooting AI: Building Artificial Intelligence We Can Trust. Pantheon Books.
2. Inserm. (2025). Overview of the MedGPT project.
https://www.inserm.fr/
3. MedGenius. (2025). Comparative Evaluation of MedGPT vs ChatGPT on Clinical Case Accuracy.
https://www.medgenius.ai/research