Thrive Global noted that Claude Code was annoying people by giving up early or jumping the gun on muddy assignments, while Codex gave up less.

Founded by Arianna Huffington in 2016, Thrive Global is a leading behavior change technology company with the mission to improve productivity and health outcomes – one Microstep at a time. Thrive helps individuals and organizations improve well-being, performance and mental resilience with its AI-powered behavior change technology platform. Thrive’s Microsteps – small, science-backed steps to improve health and productivity – have been adopted by employees at more than 200 organizations in over 160 countries, from frontline and call center workers to executives at multinational companies. For more information, visit www.thriveglobal.com.