To Help Reduce Inefficient Federal Tendencies Act of 2014 or the THRIFT Act of 2014 - Allows federal agencies, including judicial branch agencies, to: (1) retain up to 25% of annual savings from the implementation of plans developed by such agencies to create efficiencies and cost savings in agency operations, and (2) use such savings for specified purposes, including salary increases and employee awards for cost savings disclosures. Requires an agency to submit to the appropriate congressional committees a plan and an associated request to amend its approved operating budget specifying how such savings will be achieved and the amount and source of such savings.