Opencode Server and TUI Rewritten via a Single Prompt Orchestrating Subagents for $500

Key Info

Ryan rewrote all of opencode2's server and TUI from a single prompt sent from the team's iOS app, with the author clarifying it was Claude Opus 5.5 orchestrating a bunch of subagents at a total cost of $500.

Highlights

• The rewrite of opencode2 server and TUI originated from one prompt sent from an iOS app
• Under the hood it was Opus 5.5 orchestrating multiple subagents
• Total cost of the effort was $500
• The quoted post describes a comparable Prime Agent swarm of 2,000+ agents rewriting itself in Rust over two weeks with 10,000+ sandboxes and 200B+ GLM-5.3 tokens