| Aspect | Temporary Stem Opt | STEM OPT Extension |
|---|
| Duration | Up to 12 months | Up to 24 months |
| Eligibility | F-1 students completing STEM degree, initial OPT | F-1 students already on OPT, seeking extension |
| Work Authorization | Authorized during initial OPT period | Additional work authorization after initial OPT |
| Application Process | Filed with USCIS before OPT start date | Filed before OPT expires, with employer E-Verify |
The Temporary Stem Opt refers to the initial Optional Practical Training period for STEM students, while the STEM OPT Extension allows eligible students to extend their work authorization beyond the initial OPT. The extension provides up to 24 months of additional work authorization, making it a valuable option for STEM graduates seeking longer employment opportunities in the U.S.