ORAOpen Research AssistantORAOpen Research AssistantORA checks claims against their cited sources and shows the exact passage. Fact-check faster and catch more errors.
The source supports this claim. Read the exact passage.
A source conflicts with this claim. Read the passage.
Sources disagree. Read both passages.
Each result links to the exact source passage, in context.
Open a folder of PDFs, notes, spreadsheets, transcripts or code. ORA reads and cites them together.
HEOR Project Vault
ORA matches each citation to its paper before checking the claim.
Ferrario et al. (2014)
Modulation of fecal bacteria and butyrate by L. paracasei DG
“Absolute distances were significantly higher for the probiotic than for the placebo treatments.” view in source →
Your source library stays on your machine. Task text goes only to the AI provider you choose.
Each result links to an exact source passage.
Set up for your documents, review criteria and outputs.
Chatbots can sound right when they are wrong. ORA puts the evidence beside each claim.
General chatbot
Fluent answers with citations that may be missing, invented or poorly matched.
ORA
Each claim links to the exact passage or is flagged for review.
Explore a fixed ORA audit of a section from Éliás et al.'s review of probiotics and gut microbiota diversity. It includes a planted attribution error. Click any claim to see its verdict, citation and source text.
Scroll inside to inspect every claim. Use ORA alongside expert review.
Known errors were added to published reviews, then ORA's results were graded against an answer key.
88% of known errors found.
9% false-positive rate.
Tested in July 2026. Results apply to this two-paper evaluation.
See the evidence yourself.
Check everything yourself.
AI you can rely on.
Built by Nikhil David, who wanted a research assistant he could trust. More about me ↗