LiveBench
LiveBenchContamination-limited language-model benchmark with objective ground-truth answers and automatic scoring rather than judge models, spanning math, coding, reasoning, language, instruction following and data analysis. New questions are released monthly and older ones retired to limit contamination. Built by Abacus.AI with NYU, Nvidia, UMD and USC, and published as an ICLR 2025 spotlight.
The monthly rotation is freshness management rather than gating; questions ship with their ground-truth answers. Verified 2026-08-12 via the repository DATASHEET.md, the repository LICENSE and the livebench/reasoning dataset card.
Openness
5 high confidence- questions
- public
- answers
- public(ground_truth released)
- license
- Apache-2.0/MIT(repo LICENSE is Apache-2.0, carried over from FastChat
- datasheet
- present(docs/DATASHEET.md, a full datasheets-for-datasets questionnaire covering motivation, composition, collection and distribution)
- access
- ungated(HF datasets download without a gate)
All questions, answers, and code are released openly; rotation is for freshness, not access control. The documentation is a full datasheets-for-datasets questionnaire in the repository rather than a Hugging Face card, and it states the distribution license outright.
- https://huggingface.co/datasets/livebench/reasoning recorded 2026-06-17
public ground_truth column, release/removal dates
- https://huggingface.co/datasets/livebench/reasoning/raw/main/README.md recorded 2026-08-12
card describing the benchmark and linking the paper, leaderboard and datasheet; the declared features include a `ground_truth` string column alongside `turns`, so the answers ship with the questions; no gate and no license field in the card metadata
- https://raw.githubusercontent.com/LiveBench/LiveBench/main/docs/DATASHEET.md recorded 2026-08-12
the datasheets-for-datasets questionnaire, covering motivation, composition, collection, preprocessing, uses, distribution and maintenance; under "When will the dataset be released/first distributed? What license (if any) is it distributed under?": "The benchmark suite is public as of June 12, 2024, distributed under the Apache License 2.0."
- https://raw.githubusercontent.com/LiveBench/LiveBench/main/LICENSE recorded 2026-08-12
Apache License 2.0, prefaced "The original LICENSE from https://github.com/lm-sys/FastChat is copied below"
Adoption
3 medium confidence36,032 Hugging Face downloads in the trailing 30 days, summed across the ten LiveBench category corpora: math 6,923; reasoning 5,633; model_judgment 5,365; coding 4,761; data_analysis 4,270; instruction_following 4,250; language 4,165; liveswebench 370; model_answer 150; and liveswebench-patches 145. That puts it in the 10K-100K band, level 3 on the dataset adoption scale.
- https://huggingface.co/api/datasets/livebench/math recorded 2026-08-12
6,923 downloads in the trailing 30 days for livebench/math
- https://huggingface.co/api/datasets/livebench/reasoning recorded 2026-08-12
5,633 downloads in the trailing 30 days for livebench/reasoning
- https://huggingface.co/api/datasets/livebench/model_judgment recorded 2026-08-12
5,365 downloads in the trailing 30 days for livebench/model_judgment
- https://huggingface.co/api/datasets/livebench/coding recorded 2026-08-12
4,761 downloads in the trailing 30 days for livebench/coding
- https://huggingface.co/api/datasets/livebench/data_analysis recorded 2026-08-12
4,270 downloads in the trailing 30 days for livebench/data_analysis
- https://huggingface.co/api/datasets/livebench/instruction_following recorded 2026-08-12
4,250 downloads in the trailing 30 days for livebench/instruction_following
- https://huggingface.co/api/datasets/livebench/language recorded 2026-08-12
4,165 downloads in the trailing 30 days for livebench/language
- https://huggingface.co/api/datasets/livebench/liveswebench recorded 2026-08-12
370 downloads in the trailing 30 days for livebench/liveswebench
- https://huggingface.co/api/datasets/livebench/model_answer recorded 2026-08-12
150 downloads in the trailing 30 days for livebench/model_answer
- https://huggingface.co/api/datasets/livebench/liveswebench-patches recorded 2026-08-12
145 downloads in the trailing 30 days for livebench/liveswebench-patches
Capability
5 high confidenceAmong the most influential contamination-resistant benchmarks: broader than the code-only LiveCodeBench, and judge-free, since every question is auto-scored against objective ground truth.
- https://arxiv.org/abs/2406.19314 recorded 2026-08-13
"LiveBench - A Challenging, Contamination-Limited LLM Benchmark"; the abstract still lists the three release properties, names the six task domains, reports top models below 70% accuracy, and says "We release all questions, code, and model answers. Questions are added and updated on a monthly basis"
Verified 2026-08-12