HELM NaturalQuestions (Closed): leaderboard

Closed-book question answering from Google search queries without passage access, testing parametric knowledge recall. Part of Stanford HELM.

Metric: F1 (%). Source: crfm.stanford.edu. Saturation forecast: Estimated already saturated. 91 models tracked.

Top models

#ModelScoreOverall rank
1Claude 3.5 Sonnet (20240620)50.16#299
2GPT-4o (2024-05-13)50.13#325
3GPT-4o (2024-08-06)49.58#336
4GPT-4 Turbo48.21#404
5Mixtral 8x22B47.76#766
6Llama 3 70B47.53#631
7Claude 3.5 Sonnet (20241022)46.7#291
8DeepSeek V346.7#321
9Llama 2 70B45.96#1201
10GPT-4 (0613)45.69#491
11Llama 3.2 90B Vision Instruct45.68#622
12Llama 3.1 405B Instruct45.6#457
13Gemini 1.5 Pro (002)45.55#349
14Mistral Large 2 (Jul)45.27#484
15Llama 3.1 70B Instruct45.17#561

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=helm-naturalquestions-closed · How It Works · Data refreshed daily, snapshot 2026-10-20.