Autonomous Tutor Engine
High-density dialogic instruction via an isolated server tunnel. Ephemeral cache keeps operational cost under $0.003/message on the Prestige tier.
Premium cognitive infrastructure: isolated AI tutor, encrypted vault, 10 free academic libraries, Ivory Study Rooms (Study With Me — silent global audience), and low-latency Prestige lounges.
OXFAI HUB
Four interconnected modules, designed for the Oxfai identity — imperial blue, brushed gold, smoked glass.
High-density dialogic instruction via an isolated server tunnel. Ephemeral cache keeps operational cost under $0.003/message on the Prestige tier.
Virtual cabinets per university module. Semantic extraction and native spaced-repetition flashcard generation.
Springer, Crossref, Wiley, arXiv, OpenAlex, Europe PMC, and Elsevier DOI verification — exclusively via secured Cloud Functions.
Global silent study atrium — freemium students join as mute spectators (60 min/day, +15 min per rewarded video). Prestige scholars broadcast live. Agora audience mode cuts bandwidth by 4×.
Metadata positioning only. No full-text JSTOR/IEEE claims. Links to official publisher pages.
Abstracts truncated to 250 words before Firestore cache. No publisher full-text hosting.
SHA-256 hashed UIDs server-side. Anonymized proxied queries. StoreKit 2 on-device payments.
Engineering proof for researchers, doctoral candidates and institutional partners — not another AI gadget, but verifiable academic infrastructure.
Every library search is encrypted on-device, proxied through Firebase Callable (HTTPS/TLS 1.3), stripped of personal identifiers (GDPR), then fan-out in parallel to publisher APIs — never exposing raw student queries to third parties.
// inbound query vector (anonymized) POST /callable/librarySearch 200 OK · 412ms uid_hash=sha256:a8f3… · pii=stripped fan-out: springer,crossref,wiley,arxiv,openalex,epmc,elsevier // response: metadata + abstract ≤250w · no full-text merged_results=12 · cache=firestore/ephemeral
10 federated library indexes (metadata & DOI links)
Server fan-out: Springer · Crossref · Wiley · arXiv · OpenAlex · IEEE · Elsevier DOI verify
Oxfai is designed for universities to recommend — not ban. The tutor never substitutes for student reasoning; it scaffolds it. Integrity checks run before submission, not after accusation.
The AI tutor asks guiding questions instead of delivering final answers — preserving epistemic agency and aligning with honor-code pedagogy.
Academic Honor Shield flags risky copy-paste patterns and suggests ethical paraphrasing before essays, reports and thesis chapters are submitted.
Library results link to official publisher pages with DOI verification — metadata only, no shadow hosting of copyrighted full text.
Designed for institutional researchers and academic professionals who demand mathematically proven data isolation, zero-bias vector distribution, and verifiable source attribution across global structures.
7 server-side API connectors fan-out in parallel (10 library brands) via Firebase Blaze.
Extended context for thesis chapters, proofs and multi-document analysis (Prestige+).
Strict Firebase token isolation — each researcher partition is cryptographically separated.
How each Oxfai tier supports your university journey — from first lecture to final exams.
← Swipe to compare plans →
Ideal to discover Oxfai on campus and build a daily revision habit.
What you can use
Daily limits (reset at midnight UTC)
Not included on Freemium: Academic Honor Shield (anti-plagiarism), ad-free mode, extended Prestige study rooms, and Claude Sonnet depth — upgrade to Prestige when you need them.
Opens Oxfai on your iPhone if installed, otherwise the App Store.
Your semester companion: deeper AI coaching, ethical writing checks, and distraction-free study.
Opens the Prestige checkout screen inside Oxfai (StoreKit 2).
Built for intensive periods: finals, dissertations, and competitive programs.
Opens the Prestige checkout screen inside Oxfai (StoreKit 2).
Freemium is perfect to try Oxfai with classmates and keep up day to day. Choose Prestige when you want a true academic copilot for the whole term — tutoring, flashcards, integrity checks and group study without ads. Choose Prestige+ if you are in a high-intensity phase (medical, law, engineering finals, thesis writing) and need the deepest AI responses for longer sessions. All plans include free unlimited search across our 10 federated libraries.
Sonnet Boost Pack — $3.99 (consumable, non-recurring): Prestige members who exhaust their monthly Sonnet allowance can purchase a one-time pack granting +50 advanced Sonnet questions. No renewal, no commitment — billed once via Apple StoreKit 2.
Every student — Freemium, Prestige or Prestige+ — can search these channels at no cost:
Springer Nature · JSTOR · IEEE Xplore · ScienceDirect · Emerald Insight · LexisNexis · Semantic Scholar · arXiv · PubMed · Open Case Law
Free for everyone · unlimited · all studentsMetadata and short abstracts only — links to official publisher pages. No full-text hosting.
Oxfai is built on absolute data minimization and zero-exposure client networks, aligned with international GDPR standards.
Identity and sync via encrypted Firebase Auth. Academic files stored in authenticated cloud partitions, invisible to external entities.
100% server-side library router. Anonymized search vectors. Abstracts truncated under 250 words before temporary indexing. No publisher full text.
Queries proxied to Springer Nature, Crossref, arXiv, and OpenAlex. Keywords analyzed anonymously to optimize cache.
SHA-256 hashed UIDs before server logging. Diagnostic logs without cleartext parameters.
By registering an Oxfai authentication node, you accept the quota limits below.
Freemium lets every student use Oxfai daily at no subscription cost: library search (10/day), student group chat, labelled banner ads in Chat, Home and Cursus — AI tutoring, flashcards and group @ai require Prestige. Prestige ($10.99/month or $99.99/year) unlocks 400 monthly tutor questions, Claude Sonnet depth, Academic Honor Shield, ad-free focus, and 220 study-room minutes. Prestige+ ($15.99/month or $189.99/year) extends to 750 tutor questions/month, 12-message context, 40 integrity reviews and 480 study-room minutes. Sonnet Boost Pack ($3.99 consumable): +50 Sonnet questions.
Freemium is funded by advertising. Clearly labelled fixed banner ads may appear in Chat, Home and Cursus for non-Prestige users. Students can voluntarily watch rewarded videos to unlock group chat (3 h), Ivory Study Rooms (+15 min spectator time per video, up to daily ad quota), and up to 2 separate rewarded videos per day for 5-minute private Study Room video. AI tutoring, flashcards and group @ai are not available on Freemium. All rewarded advertising is optional. Prestige and Prestige+ subscribers are fully ad-free.
Prestige and Prestige+ are auto-renewable subscriptions billed exclusively by Apple (StoreKit 2). The Sonnet Boost Pack is a one-time, non-recurring consumable also billed by Apple. You can upgrade, downgrade, restore purchases or cancel auto-renewable subscriptions anytime from Settings → Apple ID → Subscriptions. Services begin immediately after Apple validates your purchase. Refunds follow Apple's digital content policy for the region where you subscribed; consumables are non-refundable once delivered. Annual plans are billed in full upfront with the same renewal/cancellation rules.
Freemium supports discovery and daily habits on campus — library search, group chat and optional rewarded unlocks, without free AI. Prestige supports a full academic term: deeper tutoring, ethical assignment preparation, automated revision decks and peer study without advertising interruptions. Prestige+ supports peak workload windows (medical PACES, law bar prep, engineering finals, thesis writing) when you need longer, more analytical AI sessions. The free 10-library research hub remains open to ALL registered students regardless of tier.
All registered students — Freemium, Prestige and Prestige+ — receive unlimited, no-cost metadata search across 10 academic channels: Springer Nature, JSTOR, IEEE Xplore, ScienceDirect, Emerald Insight, LexisNexis, Semantic Scholar, arXiv, PubMed, and Open Case Law. Results are metadata and truncated abstracts (≤ 250 words for DMCA fair-use compliance) only. Oxfai does not host publisher full text; links resolve to official publisher landing pages where the user's institutional subscription or the publisher's open-access policy governs full-text access.
To guarantee continuous service quality, Oxfai applies internal AI cost guardrails ($5.50/month Prestige, $9.00/month Prestige+). When a subscriber reaches the monthly Sonnet sub-quota or internal cost ceiling, complex queries automatically and silently fall back to the Haiku model — the tutor always responds. Study Room minutes are capped (220/month Prestige, 480/month Prestige+) to ensure infrastructure stability.
Oxfai is a complementary cognitive analysis tool. We do not guarantee academic grades or exam performance. Students remain solely responsible for the originality and integrity of work submitted to their universities. The Honor Shield feature is an advisory analysis tool, not an official anti-plagiarism certification.
Oxfai is provided "as is" without warranty of uninterrupted availability. Aggregate liability is limited to the most recent subscription payment made by the user. Use of the platform implies full acceptance of these terms.
StoreKit error, cloud sync, or network authorization issue? Contact our engineering desk.
[email protected]