Daily-jidan-AI
今日 8 条：免费额度 3 条、额度重置 1 条、学生/教育 4 条。均为官方页面核验，领取截止仅在来源写明时标注。
Gemini API free tier: input and output tokens are free on some models
官方定价页写明可免费开始使用，并提供慷慨的限额。免费档包含部分模型的免费输入和输出 token，以及 Google AI Studio 访问。部分模型不在免费档，例如 Gemini 4 Carbon。
The official pricing page says you can start building free of charge, with generous limits. The Free tier includes free input and output tokens on certain models, plus access to Google AI Studio. Some models are not on the Free tier, for example Gemini 4 Carbon.
OpenRouter free model variants (:free) can be called within a daily limit
模型 ID 以 :free 结尾的变体可免费调用。累计购买不足 10 积分时，限额为每分钟 20 次、每天 50 次；累计至少购买 10 积分后，每天上限升至 1,000 次。每日计数按当前 UTC 日统计。
Variants whose model ID ends in :free can be called at no cost. If you have purchased fewer than 10 credits in total, the limit is 20 requests per minute and 50 per day. After purchasing at least 10 credits in total, the daily cap rises to 1,000 requests. The daily count is measured on the current UTC day.
GroqCloud Free plan: try the API starting at $0
官方套餐页提供 0 美元的 Free 档，用于在 Groq 上构建和测试 API，并含社区支持。具体速率限制以账户 Limits 页为准。
The official plans page offers a $0 Free plan for building and testing APIs on Groq, with community support. Exact rate limits are shown on your account Limits page.
Gemini API daily request quotas reset at midnight Pacific time
速率限制按项目而非单个 API key 计算。每日请求配额（RPD）于太平洋时间午夜重置。各模型限额不同，以官方文档和 AI Studio 项目页为准。
Rate limits are applied per project, not per API key. Requests per day (RPD) quotas reset at midnight Pacific time. Limits vary by model; see the official docs and the AI Studio project page.
Eligible U.S. college students can get 12 months of Google AI Pro free
面向符合条件、年满 18 岁的美国大学生，新用户以及 2025 年 AI Pro 试用已结束的学生都可能符合条件。包含更高的 Gemini 用量、5 TB 存储、Gemini Spark，以及为期 1 年的 Gemini Omni 访问。报名需有效支付方式；若未取消，试用结束后将按每月 19.99 美元自动续订。须在 2026 年 12 月 31 日前领取。
For eligible U.S. college students ages 18 and older. Both new users and students whose 2025 AI Pro trial has ended may qualify. It includes higher Gemini usage limits, 5 TB of storage, Gemini Spark, and access to Gemini Omni for 1 year. A valid form of payment is required at sign-up. Unless cancelled, Google AI Pro automatically charges $19.99 per month after the trial ends. Redeem by December 31, 2026.
University students in the United States and Canada can claim $100 in Codex credits
面向在美国或加拿大学位授予大学就读、领取时居住在美国或加拿大的在读学生，须通过验证，每人限领一次。通过后会向用于领取的 ChatGPT 账户发放 100 美元积分（页面显示为 2,500 credits），用于 Codex，不是 API 积分。积分自发放日起 12 个月后失效。
For current students enrolled at degree-granting universities in the United States or Canada who reside in the United States or Canada when claiming. Eligibility is subject to verification. Limit one offer per student. After verification, $100 in ChatGPT credits (shown as 2,500 credits) are added to the ChatGPT account used to claim the offer, for use in Codex. These are not API credits. Credits expire 12 months after the grant date.
GitHub Copilot Student: verified students get code completions and GitHub AI Credits
GitHub Student Developer Pack 页面写明，通过验证的学生可使用 Copilot Student。该方案包含不限次数的代码补全、一定额度的 GitHub AI Credits，以及仅能通过自动模型选择使用的有限聊天和 Agent 用量。
The GitHub Student Developer Pack page states that verified students can use Copilot Student. The plan includes unlimited code completions, an allowance of GitHub AI Credits, and limited chat and agent usage with models available through auto model selection only.
Verified students and professors can get one year of ElevenReader Ultra free
官方学生页写明，已验证院校的学生和教授使用 .edu 或同等邮箱注册，可获得一年 ElevenReader Ultra。
The official students page states that students and professors at verified institutions receive one year of ElevenReader Ultra free when they sign up with a .edu (or equivalent) email address.