ARC (AI2 Challenge) leaderboard
As of 6 Nov 2026, the top score on ARC (AI2 Challenge) is 95.3%, shared by DeepSeek V3 and Llama 3.1 405B, ahead of Qwen2.5 72B at 94.5%, across 77 model configurations with a published result (Epoch AI Benchmarking Hub, result dated 26 Dec 2024). Grade-school science questions, challenge set. ARC (AI2 Challenge) is shown for reference only and does not count toward the BenchLeader Index.
Key facts (as of 6 Nov 2026)
- DeepSeek V3 and Llama 3.1 405B share the top ARC (AI2 Challenge) score at 95.3% (Epoch AI Benchmarking Hub, 6 Nov 2026).
- ARC (AI2 Challenge): Grade-school science questions, challenge set. A 2018 benchmark, saturated for current models; kept for history (Epoch AI Benchmarking Hub).
- 77 model configurations have a published ARC (AI2 Challenge) result on BenchLeader (BenchLeader, 6 Nov 2026).
- ARC (AI2 Challenge) does not feed the BenchLeader Index; it is shown for reference (BenchLeader methodology).
Grade-school science questions, challenge set. A 2018 benchmark, saturated for current models; kept for history.
- Published by
- Epoch AI Benchmarking Hub
- Category
- Reasoning
- Index weight
- Reference only
- Models
- 77
- Data as of
- 6 Nov 2026
CC BY 4.0 — Epoch AI, ‘AI Benchmarking Hub’, epoch.ai/benchmarks. Mirrored boards credit their original publishers.
What the test looks like
Grade-school science questions, challenge set.
How it is scored
Accuracy, as compiled by Epoch AI from published results.
What to keep in mind
Saturated: frontier models score near the ceiling, so it separates only older or smaller models, and results are largely self-reported by developers.
- 1DeepSeek V395.3%
- 2Llama 3.1 405B95.3%
- 3Qwen2.5 72B94.5%
- 4Deepseek v292.2%
- 5Phi 3 (medium)91.6%
- 6Phi 3 Small90.7%
- 7GPT 3.5 Turbo 110687.4%
- 8Mixtral 8x7B87.3%
- 9Claude Instant 1.286.3%
- 10Stable Beluga 286.1%
- 11Claude Instant 1.185.7%
- 12PaLM 540B85.2%
- 13text-davinci-00285.2%
- 14Phi 3 Mini84.9%
- 15Qwen-14B84.4%
| # | ||||
|---|---|---|---|---|
| 1 | 95.3% | 44.4 | 2024-12-26 | |
| 2 | 95.3% | 41.9 | 2024-07-23 | |
| 3 | 94.5% | 43.2 | 2024-09-19 | |
| 4 | 92.2% | – | 2024-05-07 | |
| 5 | 91.6% | 37.9 | 2024-04-23 | |
| 6 | 90.7% | – | 2024-04-23 | |
| 7 | 87.4% | 38.6 | 2023-11-06 | |
| 8 | 87.3% | 30.9 | 2023-12-11 | |
| 9 | 86.3% | – | 2023-08-09 | |
| 10 | 86.1% | – | 2023-07-20 | |
| 11 | 85.7% | – | – | |
| 12 | 85.2% | – | 2022-04-04 | |
| 13 | 85.2% | – | 2022-03-15 | |
| 14 | 84.9% | 36.9 | 2024-04-23 | |
| 15 | 84.4% | – | 2023-09-28 | |
| 16 | 82.8% | 34.9 | 2024-04-18 | |
| 17 | 81.7% | – | 2023-09-18 | |
| 18 | 78.6% | 29.0 | 2023-09-27 | |
| 19 | 78.3% | 33.6 | 2023-07-18 | |
| 20 | 78.3% | – | 2024-02-21 | |
| 21 | 75.9% | – | 2023-12-12 | |
| 22 | 75.3% | – | 2023-09-28 | |
| 23 | 70.5% | 42.7 | 2024-09-18 | |
| 24 | 69.5% | – | 2023-07-05 | |
| 25 | 69.5% | – | 2023-02-24 | |
| 26 | 69.2% | – | 2023-05-17 | |
| 27 | 67.8% | – | 2023-09-06 | |
| 28 | 67.5% | – | 2023-02-24 | |
| 29 | 66.0% | – | 2024-09-18 | |
| 30 | 64.9% | – | 2023-05-17 | |
| 31 | 64.3% | – | 2024-06-17 | |
| 32 | 61.9% | – | 2023-03-15 | |
| 33 | 61.0% | – | 2023-06-24 | |
| 34 | 60.9% | – | 2024-09-18 | |
| 35 | 60.3% | – | 2023-07-18 | |
| 36 | 59.6% | – | 2023-05-17 | |
| 37 | 57.3% | – | 2024-06-13 | |
| 38 | 55.6% | – | 2024-03-01 | |
| 39 | 55.5% | – | 2024-02-26 | |
| 40 | 54.5% | – | 2024-11-29 | |
| 41 | 54.5% | – | 2023-07-18 | |
| 42 | 53.2% | – | 2022-01-27 | |
| 43 | 53.2% | – | 2023-11-30 | |
| 44 | 52.9% | – | 2024-09-18 | |
| 45 | 52.7% | – | 2023-02-24 | |
| 46 | 52.5% | – | 2022-04-04 | |
| 47 | 50.6% | – | 2023-06-22 | |
| 48 | 50.3% | – | 2023-11-02 | |
| 49 | 47.9% | – | 2023-04-24 | |
| 50 | 47.6% | – | 2023-02-24 | |
| 51 | 47.2% | – | 2024-02-20 | |
| 52 | 45.9% | – | 2023-07-18 | |
| 53 | 45.2% | – | 2024-09-18 | |
| 54 | 44.4% | – | 2023-09-11 | |
| 55 | 43.2% | – | 2023-04-12 | |
| 56 | 42.6% | – | 2023-05-05 | |
| 57 | 42.2% | – | 2023-11-02 | |
| 58 | 42.1% | – | 2024-02-21 | |
| 59 | 41.2% | – | 2023-06-27 | |
| 60 | 41.1% | – | 2022-04-07 |
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Cite as: BenchLeader, “ARC (AI2 Challenge) leaderboard”, data as of 6 Nov 2026, https://www.benchleader.com/benchmarks/arc_ai2.
ARC (AI2 Challenge): questions
- What does ARC (AI2 Challenge) measure?
- Grade-school science questions, challenge set. Scores are reported in percent of tasks solved; higher is better.
- What is the top score on ARC (AI2 Challenge)?
- As of 6 Nov 2026, the highest score on ARC (AI2 Challenge) is 95.3%, shared by DeepSeek V3 and Llama 3.1 405B, ahead of Qwen2.5 72B at 94.5%. Scores come from Epoch AI Benchmarking Hub and are re-read daily.
- Which AI model leads ARC (AI2 Challenge)?
- DeepSeek V3 and Llama 3.1 405B tie for first on ARC (AI2 Challenge) at 95.3% as of 6 Nov 2026, ahead of Qwen2.5 72B at 94.5%.
- How many models have ARC (AI2 Challenge) results?
- 77 model configurations have a ARC (AI2 Challenge) result on BenchLeader, all taken from Epoch AI Benchmarking Hub.
- Who runs ARC (AI2 Challenge) and how often is it updated?
- ARC (AI2 Challenge) is published by Epoch AI Benchmarking Hub. BenchLeader re-reads the published results once a day and records the date each result was published.
- Does ARC (AI2 Challenge) count toward the BenchLeader Index?
- No. ARC (AI2 Challenge) is shown for reference but left out of the composite index.