AI Coding AssistantsClaude Code High Token Usage: Where the Bill Comes From
Across 20,285 billed turns the operator typed 47,296 tokens and the input side came to 4.25 billion. Shorter prompts move a rounding error.
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AI Coding AssistantsAcross 20,285 billed turns the operator typed 47,296 tokens and the input side came to 4.25 billion. Shorter prompts move a rounding error.
AI Coding AssistantsA median turn takes 3m 08s and 44 steps to get there. The lever is the number of steps, not the size of the context.
AI Coding AssistantsEvery assistant turn stamps its own version and its own token count, so the question is answerable retroactively. Across 17 versions the cost per turn fell 47% from its peak.
AI Coding AssistantsOne five-word prompt billed two different models. The resolution chain that picks them ends somewhere your repository cannot see, and the script that proves it.
AI Coding AssistantsClaude Code's own toolset costs 122,137 bytes as an MCP server. That number is the budget every server you install is competing against, and nothing surfaces it.
AI Coding AssistantsFive servers start concurrently in under three seconds. The bill that actually matters is 30,218 bytes of tool definitions sitting in context on every single message.
AI Coding AssistantsTool counts, cold and warm startup, and the context each server spends before doing anything — plus the two servers every list recommends that npm returns 404 for.
AI Coding AssistantsThe three scopes, every field that does something, and the unset-variable trap that passes the literal string ${VAR} to your server instead of failing.