Limited-time free models on OpenCode's gateway, including GLM-5.3-Flash, DeepSeek V4.1 Flash, MiMo-V2.6-Flash, Nemotron 3 Ultra, Big Pickle and more (free input and output)
OpenCode Zen is the OpenCode team's curated, pay-as-you-go model gateway for coding agents. Its docs list a set of free-tier models with free input and output tokens, which require the OpenCode client.
Not verified yet1 post on X