MassChallenge is the largest ever start-up accelerator and competition, and the first to support high-impact, early-stage entrepreneurs with no strings attached. Benefits for start-ups include: a 4-month accelerator programme; world-class mentorship and training, free office space, access to funding, media and more; $1.5 million in cash awards; $10 million of in-kind support. The start-ups supported since 2010 have raised over $700 million in outside funding and created nearly 5,000 jobs.