Frank Wang (who posts as @fanjiewang) is a San Francisco-based software engineer and the co-founder and CTO of Anomaly, the company he started with CEO Jay V. Anomaly built SST (Serverless Stack), a TypeScript framework for AWS that went through Y Combinator in 2021, and now builds OpenCode, an open-source, model-agnostic AI coding agent. He is a company-level co-founder of OpenCode and runs its infrastructure and hosted models (OpenCode Zen). He is a distinct person from Dax Raad (@thdxr), the project’s primary creator and lead developer, who also works at Anomaly.
Recent
- 2026-08-13 OpenCode v1.18.18: fixes Kimi K3 system prompt handling and xhigh reasoning effort for xAI models. GitHub releases