71,000 startup founders, venture capital investors, and tech CEOs, gathered under literal storm clouds in Lisbon, Portugal, to discuss the future of AI.

The CEOs of DeepL and Picsart told CNBC they were concerned about AI valuations but touted the longer term potential of the technology.

71,000 startup founders, venture capital investors, and tech CEOs, gathered under literal storm clouds in Lisbon, Portugal, to discuss the future of AI.