Leaderboard Leaderboards / Vectara Hallucination Leaderboard
Vectara Hallucination Leaderboard
Summarisation hallucination rates measured with Vectara's HHEM model, published in the repo README.
- Operator
- Vectara
- Leaderboard
- github.com
- Category
- Hallucination
- How results are made
- Operator runs the evals
- Checked
- 2026-10-31
Raw data
| Format | Where |
|---|---|
| GitHub repo | github.com/vectara/hallucination-leaderboard Results tables in the README. |
Licence / reuse: Reuse with attribution
Apache-2.0 (licence of the repository that holds the result files). A licence or terms allow reuse if you credit the source (for example CC BY 4.0, MIT, Apache-2.0).
“Apache License Version 2.0, January 2004”
Source: raw.githubusercontent.com/vectara/hallucination-leaderboard/main/LICENSE
Submissions: Not stated
We found no statement about outside submissions.
Last updated: 2026-10-23 Updated in last 90 days
- 2026-10-23: Last commit to the GitHub repo · github.com
This page lists where the data lives and what the licence says. It does not copy any scores; open the leaderboard for those. Not legal advice. Something wrong? Use the bug link in the footer. Back to all leaderboards.