Google Gemini API / AI Studio vs OpenRouter
Based on official announcements, community observations, and Reset Beer tracking data. Announcement times are not personal recovery times.
| Dimension | Google Gemini API / AI Studio | OpenRouter |
|---|---|---|
| Reset type | RPD 日历重置 + RPM/TPM短窗口 + spend rolling 10min | per-key credit limit + rolling rate limit + 免费模型日限额 |
| 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：区分 credit limits 与 rate limits；API Key 可设 per-key credit limit；GET /api/v1/key 可查 limit/remaining/reset；负余额可能402；429可能来自 OpenRouter 或上游；免费模型有每日上限，购买至少10 credits 可提高 |
| Main surface | Gemini API、AI Studio、Vertex AI | 统一网关 API、控制台 |
| 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 | credit limit、provider rate limit、免费模型日限额混杂；429来源难判断 |
| 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：上游 provider 的429细节随模型变化 |
| Confidence | 高 | 高 |
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