如何防止您的 OpenAI API 账单失控

Developers using large language model (LLM) APIs such as OpenAI, Anthropic Claude, and Google Gemini often face unexpected cost surges, particularly when running runaway loops or uncapped user sessions. These SDKs lack built-in spending limit features; OpenAI's usage limits are retrospective, Anthropic has no budget controls, and Gemini offers rate limits but no token budgets. To address this issue, a tool called llm-spend-guard has been created, which enforces token budgets before making LLM SDK calls, effectively controlling expenditures. This tool provides developers with a straightforward way to avoid unexpected high bills.