MLH Fellowship vs Regeneron ISEF Awards

Comparing two highly competitive STEM opportunities. MLH Fellowship is a internship while Regeneron ISEF Awards is a competition.

MLH Fellowship Regeneron ISEF Awards
Prestige Tier Tier 2 — Highly Competitive Tier 2 — Highly Competitive
Type Internship Competition
Organization Major League Hacking (MLH) Society for Science
Acceptance Rate Not publicly disclosed; competitive program but exact rate unknown Approximately 1,600-1,700 finalists compete at ISEF annually out of significantly larger pool competing at 365+ affiliated fairs; roughly 600 finalists receive awards/prizes (37.5% of finalists awarded)
Applicants Not publicly disclosed; appears to have multiple cohorts annually Over 1,600 finalists selected annually from 365 Society-affiliated fairs across 60+ countries and territories; total number competing at all affiliated fairs globally is much larger (tens of thousands)
Deadline Rolling
Award $7,000,000
Cost to Apply Free Free
US Only No / International No / International
Grades College students and above (program appears designed primarily for undergraduates; high school eligibility unclear) 9th through 12th grade (high school students)
College Impact Highly valued in college admissions and recruiting. Shows: (1) Real-world experience with production-grade code, (2) Demonstrated commitment to open-source/collaborative development, (3) Recognition b... Reaching Regeneron ISEF as a finalist is extremely prestigious in college admissions and carries significant weight. Top colleges (Ivy League, Stanford, MIT, etc.) view ISEF participation highly favor...