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GLP1Calc

Ozempic vs Wegovy (oral 25mg)

Side-by-side comparison based on STEP-2 (T2D) and OASIS-4 phase 3 trial data plus April 2026 pricing.

Ozempic
semaglutide (injection)
Peak weight loss11.6%
TrialSTEP-2 (T2D)
Administrationinjection
FDA statustype-2-diabetes
List price$998/mo
Wegovy (oral 25mg)
semaglutide (tablet)
Higher efficacy
Peak weight loss13.6%
TrialOASIS-4
Administrationoral
FDA statusweight-loss
List price$1,349/mo

Weight loss comparison (220 lbs starting weight)

% of body weight lost over 18 months, modeled from phase 3 trial data

Monthly cost by payment channel

ChannelOzempicWegovy (oral 25mg)Difference
Covered by insurance ($25–150 copay)$63$63$0 (Wegovy (oral 25mg) cheaper)
Manufacturer self-pay (LillyDirect / NovoCare)$499
Telehealth — brand name (Hims, Ro, Found)$399$449$50 (Ozempic cheaper)
Cash retail (full list price)$998$1,349$351 (Ozempic cheaper)

Ozempic pros and cons

Pros
  • Often easier to get insurance coverage if you have type 2 diabetes
  • Lower list price than Wegovy
  • Same active ingredient as Wegovy (semaglutide)
  • Strong cardiovascular outcome data (SUSTAIN-6)
Cons
  • Off-label for weight loss — insurance won't cover for that purpose
  • Lower max dose than Wegovy (2.0 mg vs 2.4 mg) means slightly less weight loss
  • Periodic shortages

Wegovy (oral 25mg) pros and cons

Pros
  • No injections — daily oral pill
  • Same molecule as Wegovy injection
  • 13.6% average weight loss in OASIS-4
  • Easier to skip a dose without long-acting tail
Cons
  • Strict fasting requirements before/after dose
  • Slightly lower weight loss than injection (13.6% vs 14.9%)
  • Daily dosing may hurt adherence vs weekly injection
  • Newer drug — fewer real-world data points

Common side effects

Ozempic
  • Nausea
  • Diarrhea
  • Vomiting
  • Constipation
  • Abdominal pain
Wegovy (oral 25mg)
  • Nausea
  • Diarrhea
  • Constipation
  • Vomiting

Which should you choose: Ozempic or Wegovy (oral 25mg)?

Choose Ozempic if: you prefer a weekly injection over a daily pill; cash-pay cost matters most to you; you have type 2 diabetes (insurance is more likely to cover).

Choose Wegovy (oral 25mg) if: you want maximum weight loss (13.6% vs 11.6%); you prefer a daily pill over a weekly injection; you want a drug FDA-approved specifically for weight loss.

Final decisions should always be made with a licensed prescriber. This is educational content only.

Run your own projection on the full calculator →
Medical disclaimer: This calculator provides estimates only based on phase 3 clinical trial data and publicly listed prices. It is not medical advice. Real-world weight loss varies significantly. Consult a licensed healthcare provider before starting any medication.

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