Systima Blog

Systima builds production-grade agentic AI systems for UK and EU businesses operating in regulated environments. We specialise in LegalTech.

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Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k

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Claude Code vs OpenCode token overhead measured at the API boundary. Out-of-the-box baselines, instruction file weight, MCP schema tax, subagent multipliers, and cache-write behaviour.