Expired50% confidenceFactExact time
Each time Claude Code interacts with the model, it must attach system instructions and tool JSON Schema definitions, and this fixed overhead alone can account for thousands of tokens
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
VerifiedClaude Code's tool-calling capability is based on Anthropic's Tool Use API, which allows the model to invoke predefined system functions in structured JSON format.78% similarUnverified围绕模型构建的工具链比模型本身更能决定Claude Code在大型代码库中的表现70% similarUnverifiedClaude Code calls Anthropic's own Claude model by default, requiring users to bear corresponding API costs70% similarVerifiedIn automated coding loop scenarios with Claude Code, a single task may consume hundreds of thousands or even millions of tokens.69% similarUnverifiedClaude Code uses a harness (runtime framework) that sits between the user interface and the model API, handling state management, tool scheduling, permission verification, and prompt assembly.68% similar
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