TOON: Beyond JSON for LLMs (opens in new tab)

Last Updated on June 8, 2026 by Editorial Team Author(s): Sourav Ghosh Originally published on Towards AI. Is JSON Finally Getting a Token-Efficient Alternative for LLMs? For years, JSON has been the default language for APIs, integrations, configuration files, event payloads, and all other types of application-to-application communications. It is an easy language to understand, it is very robust and developers can easily exploit it. But when we transition from traditional software systems to...