Moonlight
AI reader for research papers that opens the PDF with in-place explanations of figures, tables and equations, smart citation previews, layout-preserving translation, summaries and chat.
About Moonlight
Reading dense papers, especially in a second language, means constant switching between the PDF, a translator and a chatbot that lacks the paper's context.
Who it’s for
- Graduate students and researchers who read many papers a week
- Non-native English readers who want line-by-line translation aligned with the original
When to consider it
Consider Moonlight when you want to select any part of a paper and get an explanation, citation detail or translation without leaving the PDF view.
Tradeoffs & limitations
- The free plan gives AI features on 3 papers a week; Pro is $12 a month or $10 a month billed yearly, and Premium, which adds all premium models, is $59 or $49 billed yearly.
- Pro includes five models; larger models such as Claude Opus 5.5 and GPT-6.1 Sol are on Premium only. Moonlight is operated by Corca, Inc. in Seoul.
SOTA overview · Documentation-based assessment · Sources & review method
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Sources & review method
Documentation-based assessment · Nov 3, 2026 · Prepared with AI assistance; not a hands-on benchmark.
Checked by SOTA · AI-assisted documentation review. Selection advice is our assessment; verify current requirements for your deployment.
Import history & original evidence
Moonlight official website
AI reader for research papers that opens the PDF with in-place explanations of figures, tables and equations, smart citation previews, layout-preserving translation, summaries and chat.
Based on official pages and announcements checked on 2026-11-02. No hands-on test, performance benchmark or popularity ranking is claimed.