How we answer
O-1A Hub answers from a fixed set of primary sources and cites them. Here is what those sources are, when we last loaded them, and how the answers score on our test questions.
Sources
- USCIS Policy Manual, Vol. 2, Part M
- 52 sections · loaded
- USCIS policy alerts for Part M
- 9 sections · loaded
Search gives more weight to higher-authority sources. Recent changes are listed on Updates.
Test results
Run on 2026-09-25 over 20 test questions with expected answers checked against the Policy Manual. That is a small sample: treat these as a rough signal, not a guarantee. The sources were reloaded after this run, so current answers may score differently.
- Fact recall
- 82.9%Share of the expected facts that the answer included
- Unsupported claims
- 0.8%Share of claims not backed by the retrieved sources (lower is better)
- Faithfulness
- 89.2%How closely the answer sticks to the retrieved sources
- Relevance
- 94.5%How directly the answer addresses the question
| By question type | Questions | Fact recall | Unsupported |
|---|---|---|---|
| Process questions | 9 | 84.3% | 1.9% |
| Criterion questions | 7 | 100.0% | 0.0% |
| Comparison questions | 2 | 33.3% | 0.0% |
| Strategy questions | 2 | 66.7% | 0.0% |
What we don't publish
Approval rates or odds. We don't file petitions or see outcomes, so any such number would be made up.
Answers are informational and are not legal advice. For a petition, work with an immigration attorney.