Thomas vs. CodeSignal

Transform your approach to talent with Thomas - the intelligent platform trusted by over 10,000 businesses worldwide to make smarter hiring, development, and retention decisions. Powered by cutting-edge people science and award-winning AI, Thomas helps organisations – large and small – move beyond gut feel to build high-performing teams with confidence. Ditch the guesswork with insight you can trust, and turn people data into real results that drive engagement and fuel growth. Assess - Make confident, fair decisions about who to hire and how to develop them.

CodeSignal is the AI-native skills assessment and intelligence platform that shows you who can actually do the job, not just who interviews well. Whether you're making your first hire or your thousandth, our platform brings together skills assessments, work simulations, AI Interviewers, and live technical interviews, giving every candidate a realistic way to show what they can do. Cosmo, our built-in AI assistant, gets you hiring in minutes. Each assessment and interview results in a detailed skills report, giving you the proof behind every hiring decision.