Nous: Hermes 3 405B Instruct (free)
Review
The free tier of Nous Hermes 3 405B is an attractive zero-cost option with function calling and a large context window, but the absence of any benchmark data makes it difficult to recommend for business-critical tasks where reliability matters.
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 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the..
Architecture
| Modality | Text → Text |
| Tokenizer | Llama3 |
| Instruct Type | chatml |
| Parameters | 405B |
How does Nous: Hermes 3 405B Instruct (free) stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
nousresearch/hermes-3-llama-3.1-405b:free
|
| Provider | nousresearch |
| Release Date | August 16, 2024 |
| Context Length | 131,072 tokens |
| Status | Active |
