Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k
Systima teardown (614 HN points): Claude Code sends 33k tokens of overhead before the prompt; OpenCode sends 7k.
Why it matters
- First widely-shared quantitative comparison of Claude Code vs OpenCode overhead — a hard cost number.
- Lands directly on Anthropic's steganography and tracker transparency incidents.
- Compounds Delangue's 'done renting AI' thesis with a specific per-call cost handle.
- Materially affects procurement questions for enterprise coding-agent deployments.