Start from an example
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Sources
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Checks text you already wrote against sources you supply.
Every factual claim is marked supported, contradicted, or unsupported — and every citation is checked, character for character, against the document it claims to come from. If the quote is not really there, the claim is downgraded.
Northgate Transit carried 82 million passengers in 2024.✓ Ridership rose by 6% compared with 2023✗, and the authority achieved a 94% punctuality rate.?
Verbatim from northgate-annual-review-2024.txt
Ridership fell by 6% compared with 2023
It is split into atomic factual claims. Opinions, questions, and recommendations are deliberately left alone.
Every source goes into context in full. No retrieval, no embeddings — at this scale, sending everything is simply more accurate.
Each claim is marked against your sources only, and every citation is verified to physically exist before you ever see it.
The text to be checked. It is never modified.
0 / 20,000 characters
The documents the draft is checked against. Plain text only in this version.
0 sources · 0 / 60,000 characters