Discover Nous Research Hermes models for advanced reasoning and instruction following
You can get an API key from the Nous Research Portal.
Available Models
| Model | Context Length | Description |
|---|---|---|
Hermes-4.3-36B | 128k | Compact reasoning model with thinking capabilities |
Hermes-4-70B | 128k | Large reasoning model with 128k context |
Hermes-4-405B | 128k | Flagship reasoning model |
Hermes-3-Llama-3.1-70B | 32k | Instruction-tuned on Llama 3.1 70B |
Hermes-3-Llama-3.1-405B | 32k | Instruction-tuned on Llama 3.1 405B |
Configuration
- YAML
- JSON
config.yaml
name: My Config
version: 0.0.1
schema: v1
models:
- name: Hermes 4.3 36B
provider: nous
model: Hermes-4.3-36B
apiKey: <YOUR_NOUS_API_KEY>
config.json
{
"models": [
{
"title": "Hermes 4.3 36B",
"provider": "nous",
"model": "Hermes-4.3-36B",
"apiKey": "<YOUR_NOUS_API_KEY>"
}
]
}
Reasoning Mode
Hermes 4 and DeepHermes models support reasoning with chain-of-thought. To enable reasoning, use the following system prompt:You are a deep thinking AI, you may use extremely long chains of thought to deeply consider the problem and deliberate with yourself via systematic reasoning processes to help come to a correct solution prior to answering. You should enclose your thoughts and internal monologue inside <think> </think> tags, and then provide your solution or response to the problem.
- YAML
- JSON
config.yaml
name: My Config
version: 0.0.1
schema: v1
models:
- name: Hermes 4.3 36B (Reasoning)
provider: nous
model: Hermes-4.3-36B
apiKey: <YOUR_NOUS_API_KEY>
systemMessage: |
You are a deep thinking AI, you may use extremely long chains of thought to deeply consider the problem and deliberate with yourself via systematic reasoning processes to help come to a correct solution prior to answering. You should enclose your thoughts and internal monologue inside <think> </think> tags, and then provide your solution or response to the problem.
config.json
{
"models": [
{
"title": "Hermes 4.3 36B (Reasoning)",
"provider": "nous",
"model": "Hermes-4.3-36B",
"apiKey": "<YOUR_NOUS_API_KEY>",
"systemMessage": "You are a deep thinking AI, you may use extremely long chains of thought to deeply consider the problem and deliberate with yourself via systematic reasoning processes to help come to a correct solution prior to answering. You should enclose your thoughts and internal monologue inside <think> </think> tags, and then provide your solution or response to the problem."
}
]
}