Health · News · 🇧🇷 Brazil
Doctor Tests Diagnoses Suggested by ChatGPT and DeepSeek
At the invitation of the TV show Fantástico, Drauzio Varella compared what two AIs suggest for clinical cases.
- Profession
- Physician
- Tools
- ChatGPT, DeepSeek
- Source
- g1.globo.com ↗
- Country
- 🇧🇷 Brazil
- Report date
- February 4, 2025
- Verified on
- October 24, 2026

What they did
He tested both tools with cases and evaluated the diagnoses and treatments they suggested.
How it went
In his view, AI won't replace doctors, but it can help. The account gives no numbers.
Good to know
AI is no substitute for an appointment. Health data is sensitive under LGPD: don't upload test results with your name on them.
The prompt
I am a physician. Anonymized case: [age, sex, symptoms, tests]. List differential diagnoses in order of likelihood, tests that would help tell them apart, and red-flag signs. Indicate your level of confidence.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
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