What is a 403 B plan vs 401k?

What is a 403 B plan vs 401k?

401(k) plans are offered by for-profit companies to eligible employees who contribute pre or post-tax money through payroll deduction. 403(b) plans are offered to employees of non-profit organizations and government. 403(b) plans are exempt from nondiscrimination testing, whereas 401(k) plans are not.