
Packback is a Learning Intelligence Platform for higher-ed and K-12 institutions that pairs inquiry-based student discussion with real-time AI writing feedback. It helps instructors see how students think while automating routine grading so they can spend more time on mentoring.
| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | deepseek.com | packback.co |
| 定價模式 | 免費增值 | 需聯絡報價 |
| 每月造訪次數 | 3.73億 (372,761,591) | 74.62萬 (746,168) |
| 月流量變化量 | +1536.22萬 (+4.3%) | -12.18萬 (-14%) |
| 主要市場與市佔 | 🇨🇳 中國 (50.5%) | 🇺🇸 美國 (98.9%) |
| 每月直接造訪 | 2.92億 | 28.87萬 |
| 使用者評分 | 4.8 | 4 |
| 支援平台 | 網站 | 網站 |
由 DeepSeek-V4 與 R1 驅動的高效開源權重與託管推理 AI,token 成本極低。
依託稀疏混合專家架構(V4-Pro 為 1.6T 中的 49B 啟用參數),以極低延遲與記憶體開銷處理最多 100 萬 token。
由 DeepSeek-R1 開創並融入 V3.2 與 V4 思考模式,對複雜數學、邏輯與程式碼除錯展示逐步自驗證過程。
快取命中時,輸入 token 成本降至 Flash 的每百萬 0.003 美元與 V4-Pro 的每百萬 0.022 美元,離峰 UTC 時段費率再低 50%。
在 chat.deepseek.com 及 iOS/Android 上免費提供文件上傳、推理模式與網頁搜尋,核心模型無須付費牆。

Packback is a Learning Intelligence Platform for higher-ed and K-12 institutions that pairs inquiry-based student discussion with real-time AI writing feedback. It helps instructors see how students think while automating routine grading so they can spend more time on mentoring.
An inquiry-based discussion platform with built-in AI coaching that helps students ask better questions and write stronger responses.
Pedagogy-first writing feedback that gives students formative input in real time and automates routine grammar and structure evaluation for instructors.
Newer assignment types like Teach the AI let students demonstrate understanding by explaining concepts to a curious AI learner.
An originality tool that reduces false positives and encourages students to revise before submission rather than punishing them after.

提供巨大的上下文視窗與深度的 Google 生態系整合,但對於純推理任務感覺較不夠專精。
提供巨大的上下文視窗與深度的 Google 生態系整合,但對於純推理任務感覺較不夠專精。

免費 / 開源提供同等級的開源權重基礎模型與多語言效能,但需要自行架構主機或第三方推論設定。
專項更強ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
專項更強ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
免費 / 開源Enables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
免費 / 開源Enables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
專項更強結合學術校對、引用生成與抄襲偵檢,但沒有 Packback 的即時 AI 討論指導功能。