Benchmark Almanac

Closed-domain hallucination evaluation

Only in system cards

Models answer using only provided context. Scored on avoiding invented details outside that context.

In-house OpenAI evaluation. The GPT-4 System Card gives only a gain over GPT-3.5.

Made by OpenAI Released Mar 2023 Faithful to sources Tasks kept private Last in a system card Mar 2023 Last model added Mar 2023
Level
Everyday Most adults, without training
Scored
Graded by a model A language model scores each response, usually against a rubric.
Answers
Open-ended Free-form text, documents, designs or media judged as a whole.
1
System card reports it, from 1 lab

No scores here yet

No lab, leaderboard or Epoch AI run has reported a score for Closed-domain hallucination evaluation yet.

Labs report it only in system cards

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.

One system card reports it

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
14 Mar 2023 GPT-4 technical report Closed-domain hallucinations, 29 percentage points higher than latest GPT-3.5 at avoiding them, no absolute score (System Card 2.2) Hallucination

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