Knowledge benchmark

# OpenBookQA leaderboard

> OpenBookQA results for 19 AI models, led by Phi 3 Mini 4k Instruct at 88%. What the benchmark measures, who runs it, and a source for every score.
- Canonical page: https://noometry.com/benchmarks/openbookqa
- Last updated: 2026-10-10
- Title: OpenBookQA Leaderboard (October 2026): Scores by Model

As of October 2026, Phi 3 Mini 4k Instruct has the highest published OpenBookQA score on Noometry at 88%, out of 19 models with results.

Last verified October 10, 2026

## About OpenBookQA

Elementary science questions that require combining a given fact with common knowledge.

- **Category:** [Knowledge](https://noometry.com/best/knowledge)
- **Introduced:** 2018
- **Format:** Multiple choice
- **Unit:** Percent (random guessing ≈ 25%)
- **Official site:** [allenai.org](https://allenai.org/data/open-book-qa)

## Top 15 models

Top models on OpenBookQA

1.  Phi 3 Mini 4k Instruct 88%
2.  Phi 3 Small 8k Instruct 88%
3.  phi-3-medium 14B 87.4%
4.  GPT-3.5-turbo 86%
5.  Mixtral 8x7B 85.8%
6.  Llama 3-8B 82.6%
7.  Mistral 7B 79.8%
8.  Gemma 7B 78.6%
9.  Phi-2 73.6%
10.  Falcon-180B 64.2%
11.  Llama 2-70B 60.2%
12.  Llama 2-7B 58.6%
13.  Llama 2-34B 58.2%
14.  Llama 2-13B 57%
15.  Falcon-40B 56.6%
16.  5060708090

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## All results

OpenBookQA results by model
| # | Model | Provider | Score | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [Phi 3 Mini 4k Instruct](https://noometry.com/models/phi-3-mini-4k-instruct) |  [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft) | 88% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 2 | [Phi 3 Small 8k Instruct](https://noometry.com/models/phi-3-small-8k-instruct) |  [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft) | 88% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 3 | [phi-3-medium 14B](https://noometry.com/models/phi-3-medium-14b) |  [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft) | 87.4% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 4 | [GPT-3.5-turbo](https://noometry.com/models/gpt-3-5-turbo) | [OpenAI](https://noometry.com/providers/openai) | 86% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 5 | [Mixtral 8x7B](https://noometry.com/models/mixtral-8x7b) |  [![](/logos/mistral.svg) Mistral AI](https://noometry.com/providers/mistral) | 85.8% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 6 | [Llama 3-8B](https://noometry.com/models/llama-3-8b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 82.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 7 | [Mistral 7B](https://noometry.com/models/mistral-7b) |  [![](/logos/mistral.svg) Mistral AI](https://noometry.com/providers/mistral) | 79.8% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 8 | [Gemma 7B](https://noometry.com/models/gemma-7b) |  [![](/logos/google.svg) Google](https://noometry.com/providers/google) | 78.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 9 | [Phi-2](https://noometry.com/models/phi-2) |  [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft) | 73.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 10 | [Falcon-180B](https://noometry.com/models/falcon-180b) |  [![](/logos/tii.svg) Technology Innovation Institute](https://noometry.com/providers/tii) | 64.2% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 11 | [Llama 2-70B](https://noometry.com/models/llama-2-70b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 60.2% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 12 | [Llama 2-7B](https://noometry.com/models/llama-2-7b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 58.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 13 | [Llama 2-34B](https://noometry.com/models/llama-2-34b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 58.2% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 14 | [Llama 2-13B](https://noometry.com/models/llama-2-13b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 57% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 15 | [Falcon-40B](https://noometry.com/models/falcon-40b) |  [![](/logos/tii.svg) Technology Innovation Institute](https://noometry.com/providers/tii) | 56.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 16 | [Llama 13b](https://noometry.com/models/llama-13b) |  [![](/logos/meta.svg) Meta](https://noometry.com/providers/meta) | 56.4% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 17 | [Falcon-7B](https://noometry.com/models/falcon-7b) |  [![](/logos/tii.svg) Technology Innovation Institute](https://noometry.com/providers/tii) | 51.6% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 18 | [Dolly 2.0-12b](https://noometry.com/models/dolly-2-0-12b) |  [![](/logos/databricks.svg) Databricks](https://noometry.com/providers/databricks) | 39.2% |  | [Epoch AI](https://epoch.ai/benchmarks) |  |
| 19 | [Phi-1.5](https://noometry.com/models/phi-1-5) |  [![](/logos/microsoft.svg) Microsoft](https://noometry.com/providers/microsoft) | 37.2% | 5 | [Epoch AI](https://epoch.ai/benchmarks) |  |

## Compare the leaders

-   [Phi 3 Mini 4k Instruct vs Phi 3 Small 8k Instruct](https://noometry.com/compare/phi-3-mini-4k-instruct-vs-phi-3-small-8k-instruct)
-   [Phi 3 Mini 4k Instruct vs phi-3-medium 14B](https://noometry.com/compare/phi-3-medium-14b-vs-phi-3-mini-4k-instruct)
-   [Phi 3 Mini 4k Instruct vs GPT-3.5-turbo](https://noometry.com/compare/gpt-3-5-turbo-vs-phi-3-mini-4k-instruct)
-   [Phi 3 Mini 4k Instruct vs Mixtral 8x7B](https://noometry.com/compare/mixtral-8x7b-vs-phi-3-mini-4k-instruct)
-   [Phi 3 Small 8k Instruct vs phi-3-medium 14B](https://noometry.com/compare/phi-3-medium-14b-vs-phi-3-small-8k-instruct)
-   [Phi 3 Small 8k Instruct vs GPT-3.5-turbo](https://noometry.com/compare/gpt-3-5-turbo-vs-phi-3-small-8k-instruct)

## Other knowledge benchmarks

-   [GPQA Diamond](https://noometry.com/benchmarks/gpqa-diamond)
-   [Humanity's Last Exam](https://noometry.com/benchmarks/hle)
-   [SimpleQA Verified](https://noometry.com/benchmarks/simpleqa-verified)
-   [MMLU-Pro](https://noometry.com/benchmarks/mmlu-pro)
-   [Confabulations](https://noometry.com/benchmarks/confabulations)
-   [Vectara Hallucination Rate](https://noometry.com/benchmarks/vectara-hallucination)
-   [LMArena Expert](https://noometry.com/benchmarks/arena-expert)
-   [GPQA (HELM)](https://noometry.com/benchmarks/helm-gpqa)
-   [ARC (AI2) Challenge](https://noometry.com/benchmarks/arc-challenge) (reference)
-   [BoolQ](https://noometry.com/benchmarks/boolq) (reference)
-   [MMLU](https://noometry.com/benchmarks/mmlu) (reference)
-   [TriviaQA](https://noometry.com/benchmarks/triviaqa) (reference)

## Frequently asked questions

### What does OpenBookQA measure?

Elementary science questions that require combining a given fact with common knowledge.

### Which model has the highest OpenBookQA score?

As of October 2026, Phi 3 Mini 4k Instruct has the highest published OpenBookQA score on Noometry at 88%, out of 19 models with results.

### What is the best open-weight model on OpenBookQA?

Phi 3 Mini 4k Instruct has the highest OpenBookQA accuracy among open-weight models at 88%, ranking 1 of 19 overall.

### Cite this page

Noometry. (2026). OpenBookQA leaderboard. Retrieved October 10, 2026, from https://noometry.com/benchmarks/openbookqa

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/benchmarks/openbookqa.md).
