Lab release history
Last updated Feb 18, 2025
Nous Research model releases
Open model research collective behind the Hermes instruction and reasoning models. This page collects the lab's model releases, lifecycle events, source links, and model metadata in one crawlable record.
4
Models
1
Labs
4
Open
4
Recent
4 models
DeepHermes 3 Llama 3 8B
AvailableNous ResearchOpen weights
Nous reasoning-oriented Hermes model trained to combine concise answers with optional deep reasoning traces.
Type
Dense
Params
8B
Context
8K
Top eval
—
Released
Feb 18, 2025
1.3y ago
Dense8B8K ctxFeb 18, 2025
Hermes 3 Llama 3.1 405B
AvailableNous ResearchOpen weights
Large Hermes 3 instruction-tuned model built on Meta's Llama 3.1 405B.
Type
Dense
Params
405B
Context
128K
Top eval
—
Released
Aug 15, 2024
1.8y ago
Dense405B128K ctxAug 15, 2024
Nous Hermes 2 Mixtral
AvailableNous ResearchOpen source
Nous instruction-tuned Mixtral model with strong open-chat and tool-use adoption.
Type
MoE
Params
47B
Context
32K
Top eval
—
Released
Jan 11, 2024
2.4y ago
MoE47B32K ctxJan 11, 2024
Nous-Hermes-Llama2-13B
AvailableNous ResearchOpen weights
Early Nous Hermes instruction model on Llama 2, widely used in the open-model fine-tuning ecosystem.
Type
Dense
Params
13B
Context
4K
Top eval
—
Released
Jul 24, 2023
2.9y ago
Dense13B4K ctxJul 24, 2023