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What an Empty Prompt Costs: Measure the Baseline Tokens of 4 Coding Agent CLIs

Source: DEV Community·
Claude

Summary

Every fresh agent session sends a system prompt, tools, MCP and memory files first. Measure it in Claude Code, Codex, Copilot CLI and OpenCode.
CategoryAI Tutorials & Practice
TierOrdinary
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Indexed by AIQB
SourceDEV Community
AIQB record IDintel-42442c4df648719ca382b653
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