# Zen 5 Research Preview — Hanzo AI > Sign up free, then climb the waitlist for access to the Zen model family and hundreds of models behind one API. Research Preview # Zen 5 Research Preview Sign up free, then climb the waitlist for access to the Zen model family and hundreds of models behind one API. Zen 5 is in training; preview builds ship to the platform and publish as open weights as they land. [Sign up free](https://console.hanzo.ai)[Explore Zen models](https://hanzo.ai/zen) ## Move up the line Earn points to jump ahead. The more you contribute, the sooner you get in. ### Refer friends Every signup from your link moves you up the line. ### Share on social Post on X, Discord, Telegram, YouTube, or Instagram. ### Run a hanzod node Contribute a cloud fragment and jump the line. zen5Flagship next-gen foundation model zen5-proHigh-performance reasoning zen5-max2M context, largest open-weight zen5-ultraExtended reasoning with CoT zen5-miniEfficient edge deployment Released Zen models are open weight. [Browse on HuggingFace](https://huggingface.co/zenlm)