These start-ups, including Axiom Math and Harmonic, both in Palo Alto, Calif., and Logical Intelligence in San Francisco, hope to create A.I. systems that can automatically verify computer code in ...

Anthropic, a smaller rival started by OpenAI defectors, has found runaway success with its programming agent, Claude Code.

Amjad Masad’s Replit allows users to work together like they’re doodling on a white board. It also made him a billionaire along the way.