GLP-1 cost comparison 2026: semaglutide vs tirzepatide

Semaglutide vs tirzepatide: which is cheaper, and is the difference worth it?

Semaglutide wins on price at every tier compared above. The gap is $100 to $150 a month between the two manufacturers' direct-pay programs, and roughly similar between their compounded equivalents. Whether that gap is worth paying depends on results: the SURMOUNT-5 head-to-head trial, published in 2025, put the two drugs against each other directly in adults with obesity and found tirzepatide produced an average 20.2% body weight reduction at 72 weeks versus 13.7% for semaglutide, along with larger improvements in blood pressure, HbA1c, fasting insulin, triglycerides, and HDL cholesterol. Tirzepatide also tends to run slightly higher rates of GI side effects, and its availability varies more by state than semaglutide's. For someone who needs to lose more weight or has plateaued on semaglutide, the extra $100-$150 a month can be the better trade. For someone whose main goal is the lowest reliable monthly cost, semaglutide is the clearer answer.

Is compounded semaglutide or tirzepatide still legal in 2026?

Only narrowly, for both drugs. The FDA delisted semaglutide from its drug shortage database in February 2025 and ended 503B outsourcing-facility compounding of tirzepatide in March 2025, cutting off the shortage-based legal path mass compounders had relied on. On April 30, 2026, the FDA proposed going further and excluding semaglutide, tirzepatide, and liraglutide from the 503B bulks list entirely. A 503A pharmacy can still compound either drug for an individual patient when a prescriber documents a specific clinical reason, such as an allergy to an inactive ingredient, but compounding purely as a lower-cost general substitute is no longer the legal basis it was during the shortage years. See the full breakdown on whether compounded semaglutide is legal in 2026.

What actually drives the price you pay?

Dose level

Both drugs are titrated up over months, and both manufacturers charge more at the highest doses. Ask any provider upfront how the price changes as your dose increases.

Manufacturer vs compounded

Manufacturer direct-pay (NovoCare, LillyDirect) is the reliable option for most people in 2026. Compounded pricing can be lower but now requires a documented patient-specific need rather than being a general substitute.

Telehealth program markup

Independent telehealth programs source either drug through licensed pharmacies and set their own price, which can undercut or exceed the manufacturer programs depending on the provider and your state.

State regulations

Compounding and telehealth prescribing rules vary by state, and not every provider ships everywhere. Confirm availability in your state before applying with any program.

Which online programs offer both semaglutide and tirzepatide?

Not every program carries both drugs, and availability shifts with supply and state regulations, so confirm your specific drug is in stock before signing up.