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TruthfulQA

We show this table for reference; we do not rank on it.

A benchmark designed to measure whether language models produce truthful answers instead of repeating common misconceptions or misleading falsehoods.

About TruthfulQA

Year

2021

Tasks

Truthfulness and misconception resistance

Format

Question answering

Difficulty

Hallucination and factuality stress test

TruthfulQA matters because many models sound confident while repeating popular but false answers. It is a useful factuality and hallucination-adjacent benchmark even though it is older than newer factuality suites.

Freshness and provenance

Version

TruthfulQA 2021

Refresh cadence

Static

Staleness state

Stale

Question availability

Public benchmark set

StaleDisplay only

BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.

Questions

What does TruthfulQA measure?

A benchmark designed to measure whether language models produce truthful answers instead of repeating common misconceptions or misleading falsehoods.

Which model scores highest on TruthfulQA?

No sourced model results are published for TruthfulQA on BenchLM yet.

How many models are evaluated on TruthfulQA?

0 AI models have published results on TruthfulQA in the BenchLM catalog.

Last updated: October 17, 2026 · BenchLM version TruthfulQA 2021

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