BenchLeader

OpenBookQA leaderboard

As of 6 Nov 2026, the top score on OpenBookQA is 88.0%, shared by Phi 3 Mini and Phi 3 Small, ahead of Phi 3 at 87.4%, across 41 model configurations with a published result (Epoch AI Benchmarking Hub, result dated 23 Apr 2024). Elementary science questions with an open book of facts. OpenBookQA is shown for reference only and does not count toward the BenchLeader Index.

Key facts (as of 6 Nov 2026)

  • Phi 3 Mini and Phi 3 Small share the top OpenBookQA score at 88.0% (Epoch AI Benchmarking Hub, 6 Nov 2026).
  • OpenBookQA: Elementary science questions with an open book of facts. A 2018 benchmark, saturated for current models; kept for history (Epoch AI Benchmarking Hub).
  • 41 model configurations have a published OpenBookQA result on BenchLeader (BenchLeader, 6 Nov 2026).
  • OpenBookQA does not feed the BenchLeader Index; it is shown for reference (BenchLeader methodology).

Elementary science questions with an open book of facts. A 2018 benchmark, saturated for current models; kept for history.

Published by
Epoch AI Benchmarking Hub
Category
Knowledge
Index weight
Reference only
Models
41
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

Elementary science questions with an open book of facts.

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.

Top 15
  1. 1Phi 3 Mini88.0%
  2. 2Phi 3 Small88.0%
  3. 3Phi 3 (medium)87.4%
  4. 4GPT 3.5 Turbo 110686.0%
  5. 5Mixtral 8x7B85.8%
  6. 6Llama 3-8B82.6%
  7. 7Mistral 7B v0.379.8%
  8. 8Gemma 7B78.6%
  9. 9Phi-273.6%
  10. 10PaLM 540B68.0%
  11. 11InstructGPT 175B65.4%
  12. 12Falcon-180B64.2%
  13. 13Llama 2-70B60.2%
  14. 14LLaMA-65B60.2%
  15. 15Llama 2-7B58.6%
41 of 41
#
1Phi 3 Mini88.0%36.92024-04-23
2Phi 3 Small88.0%–2024-04-23
3Phi 3medium87.4%37.92024-04-23
4GPT 3.5 Turbo 110686.0%38.62023-11-06
5Mixtral 8x7B85.8%30.92023-12-11
6Llama 3-8B82.6%34.92024-04-18
7Mistral 7B v0.379.8%29.02023-09-27
8Gemma 7B78.6%–2024-02-21
9Phi-273.6%–2023-12-12
10PaLM 540B68.0%–2022-04-04
11InstructGPT 175B65.4%–2022-01-27
12Falcon-180B64.2%–2023-09-06
13Llama 2-70B60.2%33.62023-07-18
14LLaMA-65B60.2%–2023-02-24
15Llama 2-7B58.6%–2023-07-18
16LLaMA-33B58.6%–2023-02-24
17Llama 2-34B58.2%–2023-07-18
18PaLM 2-M57.4%–2023-05-17
19LLaMA-7B57.2%–2023-02-24
20Llama 2-13B57.0%–2023-07-18
21Falcon-40B56.6%–2023-03-15
22LLaMA-13B56.4%–2023-02-24
23PaLM 2-S56.2%–2023-05-17
24MPT-30B52.0%–2023-06-22
25Falcon-7B51.6%–2023-04-24
26MPT-7B51.4%–2023-05-05
27PaLM 62B50.4%–2022-04-04
28Xgen 7B Base40.2%–2023-06-27
29RedPajama-INCITE-7B-Base40.0%–2023-05-04
30OPT-13B39.8%–2022-05-11
31Dolly v2 12B39.2%–2023-04-11
32open_llama_7b39.0%–2023-06-07
33GPT-NeoX-20B38.8%–2022-04-07
34GPT-J-6B38.2%–2021-08-05
35Phi-1.537.2%–2023-09-11
36Cerebras-GPT-13B35.8%–2023-03-20
37Vicuna 13B v1.133.0%–2023-04-12
38StableLM Tuned Alpha 7B32.4%–2023-04-19
39OPT-1.3B24.0%–2022-05-11
40GPT-Neo-2.7B23.2%–2021-03-30
41Gpt2 Xl22.4%–2019-11-05

More knowledge benchmarks · All LLM benchmarks

Cite as: BenchLeader, “OpenBookQA leaderboard”, data as of 6 Nov 2026, https://www.benchleader.com/benchmarks/openbookqa.

OpenBookQA: questions

What does OpenBookQA measure?
Elementary science questions with an open book of facts. Scores are reported in percent of tasks solved; higher is better.
What is the top score on OpenBookQA?
As of 6 Nov 2026, the highest score on OpenBookQA is 88.0%, shared by Phi 3 Mini and Phi 3 Small, ahead of Phi 3 at 87.4%. Scores come from Epoch AI Benchmarking Hub and are re-read daily.
Which AI model leads OpenBookQA?
Phi 3 Mini and Phi 3 Small tie for first on OpenBookQA at 88.0% as of 6 Nov 2026, ahead of Phi 3 at 87.4%.
How many models have OpenBookQA results?
41 model configurations have a OpenBookQA result on BenchLeader, all taken from Epoch AI Benchmarking Hub.
Who runs OpenBookQA and how often is it updated?
OpenBookQA 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 OpenBookQA count toward the BenchLeader Index?
No. OpenBookQA is shown for reference but left out of the composite index.