Google Gemini API / AI Studio vs xAI Grok / Grok API

Based on official announcements, community observations, and Reset Beer tracking data. Announcement times are not personal recovery times.

DimensionGoogle Gemini API / AI StudioxAI Grok / Grok API
Reset typeRPD 日历重置 + RPM/TPM短窗口 + spend rolling 10minAPI rolling/日限额 + 消费者套餐周期
Official confirmed rule官方确认:按 project 计算而非 API key;RPD 太平洋时间零点重置;spend-based 10分钟滚动官方确认:限流按 API key/team/model/endpoint 维度分层
Main surfaceGemini API、AI Studio、Vertex AIGrok Web/App、xAI API
User pain point免费层 RPM/TPM/RPD 混用,RPD 太平洋时间零点重置,容易算错北京时间API 与消费者额度规则不透明,速率限制分端点和模型
User observation用户观察:不同区域和模型 tier 的具体阈值会变动用户观察:具体套餐恢复体验需实测
Confidence中高

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Google Gemini API / AI Studio vs xAI Grok / Grok API: Quota reset & rate limit comparison | Reset Beer