Expired50% confidenceFactTime unknown
Claude Code's System Prompt is only 2,800 tokens, while the Tool Prompt is as long as 9,400 tokens.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedIn Claude Code, doing nothing at all, context loading alone already consumes approximately 14,000 tokens, of which approximately 1,600 come from the system prompt and the System 2 module accounts for 7,000 to 7,500 tokens.77% similarUnverifiedThe system prompt of Claude Code is approximately 14,000 tokens.72% similarUnverifiedIn Claude Code v2.1.88, the tool definition layer contains more than ten tool definitions, and this layer alone consumes approximately 3,000–5,000 tokens.70% similarUnverified像Claude Code这样的工具核心大约只需200行Python代码，最基础版本只需读取文件、列出文件、编辑文件三个工具67% similarUnverifiedClaude Code's system prompt already contains approximately 50 independent instructions, accounting for nearly one-third of the number of instructions an agent can reliably follow.66% similar
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