OPT vs CPT: Complete Comparison for F-1 Students

Ask your DSO whether you can take CPT this summer and still do OPT after graduation, and you will probably get a hedged answer. There is a reason for that. The OPT vs CPT question runs straight into one of the most misunderstood rules in F-1 law: 12 months of full-time CPT at the same education level wipes out your OPT eligibility for good. This guide walks through both authorizations, the regulation that creates the trap, and how to use CPT without burning the 12 months of OPT you will almost certainly want after graduation.

What is CPT?

Curricular Practical Training (CPT) is school-authorized employment that is "an integral part of an established curriculum" (8 CFR § 214.2(f)(10)(i)). In plain English, that means a paid or unpaid internship, co-op, or practicum that either earns credit or is required by your program.

Your school's Designated School Official (DSO) authorizes CPT, not USCIS. No Form I-765, no filing fee, no EAD card. You get a new Form I-20 listing the employer, the dates, and the hours, and you work for that employer only, during the window the I-20 covers.

You need one full academic year in F-1 status before you can use CPT, unless your graduate program requires earlier training. There are two flavors: part-time (20 hours per week or less) and full-time (anything over 20). The ICE SEVP practical training page covers the exception and the details.

What is OPT?

Optional Practical Training (OPT) is USCIS-authorized employment "directly related to the student's major area of study" (8 CFR § 214.2(f)(10)(ii)). You file Form I-765 ($470 online or $520 paper for F-1 OPT categories (c)(3)(A), (c)(3)(B), and (c)(3)(C), current edition 01/20/25) and wait for an Employment Authorization Document (EAD, Form I-766).

Each education level comes with up to 12 months of OPT, used in one of three ways:

• Pre-completion OPT: While you are still in your program. Part-time pre-completion OPT burns post-completion OPT at half rate.
• Post-completion OPT: After your program ends. Always full-time. This is what most students use.
• STEM OPT extension: An extra 24 months for qualifying STEM degrees, with an E-Verify employer and a Form I-983 training plan.

Once you file, our guide on checking your EAD application status walks through every method USCIS offers.

OPT vs CPT side-by-side comparison

Here is how the two authorizations compare on the things students actually ask about:

The 12-month full-time CPT rule

This is the rule almost no consumer article gets right. Under **8 CFR § 214.2(f)(10)(i)(B)(2)**:

The USCIS Policy Manual, Volume 2, Part F, Chapter 5 repeats this as a hard eligibility requirement: an OPT applicant must "not have completed 1 year or more of full-time CPT." There is no waiver, no good-faith exception, no way to fix it once you have crossed the line.

Four things most articles miss:

1. Only full-time CPT counts. Part-time CPT (20 hours per week or less) does not chip away at OPT, no matter how many months you accumulate. This is the single most useful fact in F-1 work authorization planning.
2. Authorization days, not days worked. SEVIS counts every day between your CPT start and end dates on the I-20, even if you took two weeks off in the middle. The cutoff is just under 365 authorized full-time days at the same education level.
3. Same education level only. Full-time CPT during a bachelor's does not block OPT after a master's. The clock resets when you move up a level.
4. Schools combine. Full-time CPT at a previous school still counts if it was at the same degree level (DHS Study in the States).

!Decision tree: Will my CPT use erode my OPT eligibility?

The trap hits hardest in co-op programs like Northeastern, Drexel, and Kettering, where each co-op runs about six months full-time. Two co-ops gets you to twelve months, which gets you to no OPT. Do the math before you sign on for a second co-op.

Can you do both OPT and CPT?

Yes, but only one after the other, never both at the same time. The usual path is part-time or short full-time CPT during your program, then 12 months of post-completion OPT after graduation, then a 24-month STEM OPT extension if your degree qualifies. At any moment you are on CPT, on OPT, or on neither. There is no overlap.

A safer playbook for full-time CPT:

• Keep full-time CPT under 11 months total at each education level. Most large DSO offices want a meeting at 11 months before they will authorize more.
• Use part-time CPT freely. It is unlimited and it does not threaten OPT.
• Skip pre-completion OPT unless you specifically need it. Post-completion OPT is almost always worth more.

If you want a second pair of eyes on your CPT history before filing the I-765, Immiva's guided workflow walks through every prior-authorization question USCIS asks and flags the situations that get applications denied.

Day 1 CPT risks in 2025 and 2026

"Day 1 CPT" refers to graduate programs that authorize CPT from the first day of class instead of after a year. The legal question is whether that CPT is genuinely woven into the curriculum or just a wrapper for a work permit.

Through 2025 and into 2026, Day 1 CPT remains a high-scrutiny path because CPT must be genuinely integral to an established curriculum. USCIS may examine CPT history in later benefits requests, and CBP may question whether an F-1 student is maintaining a bona fide student purpose at entry. Separately, in spring 2025, DHS-initiated SEVIS terminations affected large numbers of international students and prompted litigation and record reactivations, but authoritative public sources do not verify that Day 1 CPT users were disproportionately affected. Treat Day 1 CPT as a high-scrutiny path, not a safe shortcut.

How to apply for each

For CPT: line up the offer, check with your academic advisor that the role connects to your curriculum, hand the offer letter to your DSO, get a new I-20 with the CPT endorsement, and start on or after the CPT start date. Nothing goes to USCIS.

For OPT: ask your DSO for the recommendation, then file Form I-765 with USCIS within 30 days for pre-completion or post-completion OPT. The filing window for post-completion OPT is 90 days before to 60 days after your Program End Date. Pay $470 online or $520 paper (see our USCIS payment options guide for what USCIS accepts after the October 2025 check shutdown). Form I-907 premium processing is $1,780 for eligible F-1 OPT and STEM OPT I-765 requests filed on or after March 1, 2026, with a 30-business-day adjudicative-action timeframe. Wait for the EAD in hand before you start working.

Conclusion

Use part-time CPT freely, keep full-time CPT well under 12 months at each education level, and save all 12 months of OPT for after graduation. If your CPT history is close to the line, look at Immiva's pricing and process before you pay an attorney thousands.

Official Sources

This guide reflects current USCIS policy and federal regulations as of May 2026.

USCIS Resources

• USCIS: Optional Practical Training (OPT) for F-1 Students
• USCIS: STEM OPT Extension
• USCIS Policy Manual, Volume 2, Part F, Chapter 5 (Practical Training)
• USCIS Form I-765, Application for Employment Authorization
• USCIS Form I-907, Request for Premium Processing
• USCIS Filing Fees
• USCIS Processing Times for Form I-765

Federal Regulations

• 8 CFR § 214.2(f)(10): F-1 practical training
• 8 CFR § 214.2(f)(10)(i)(B)(2): the 12-month full-time CPT bar
• 8 CFR § 274a.12(c)(3): F-1 employment authorization codes

Immigration and Nationality Act

• INA § 101(a)(15)(F): F-1 nonimmigrant classification

ICE and DHS

• ICE SEVP: Practical Training
• DHS Study in the States: F-1 CPT
• DHS Study in the States: F-1 OPT

Immigration law changes frequently. Immiva monitors USCIS policy and revises this guide when regulations change.