Model components / Training & synthetic datasets

Hermes 3 Dataset

The Hermes 3 Dataset is Nous Research's Apache-2.0 release of the instruction and chat corpus behind Hermes 3, mixing synthetic generation with curated community data. It seeds the (unreleased) Hermes 4 corpus and documents the Hermes line's data recipe.

Openness

5 high confidence

5.0

license: Apache-2.0
gated: false
dataset_card: present

Apache-2.0, ungated, dataset card.

https://huggingface.co/datasets/NousResearch/Hermes-3-Dataset recorded 2026-07-04
Apache-2.0 license, ungated, dataset card

Adoption

2 high confidence

2.0

1,414 monthly downloads on Hugging Face, graded on the training-corpus bands.

https://huggingface.co/api/datasets/NousResearch/Hermes-3-Dataset recorded 2026-07-04
downloads field = 1,414 (30-day)

Capability

4 high confidence

4.0

Proven value with documented Hermes 3 results and explicitly folded into Hermes 4 (2025), but independent reuse is limited to community quantizers.

https://arxiv.org/pdf/2508.18255 recorded 2026-07-04
Hermes 4 report: a significant portion of the Hermes 3 dataset was retained
https://arxiv.org/pdf/2408.11857 recorded 2026-07-04
Hermes 3 beats Llama 3.1 Instruct on most benchmarks at 405B/70B/8B

Unchanged since 2026-07-04 (last edited, not re-checked)