NousResearch: Hermes 2 Pro – Llama-3 8B
Review
NousResearch Hermes 2 Pro on Llama-3 8B is a fine-tuned model with function calling support and low pricing, but no benchmark data is available; it may suit lightweight structured-output tasks but cannot be verified for business-critical use.
Assessment date: April 4, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
Hermes 2 Pro is an upgraded, retrained version of Nous Hermes 2, consisting of an updated and cleaned version of the OpenHermes 2.5 Dataset, as well as a newly introduced..
Architecture
| Modality | Text → Text |
| Tokenizer | Llama3 |
| Instruct Type | chatml |
| Parameters | 8B |
How does NousResearch: Hermes 2 Pro – Llama-3 8B stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
nousresearch/hermes-2-pro-llama-3-8b
|
| Provider | nousresearch |
| Release Date | May 27, 2024 |
| Context Length | 8,192 tokens |
| Max Completion | 8,192 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.14 | $0.000140 |
| Output | $0.14 | $0.000140 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
