Nous: Hermes 3 405B Instruct
Analysis Summary
Nous: Hermes 3 405B Instruct sits in the Legacy tier on our leaderboard, ranked #382 of 551 published models on overall intelligence. At $1.00 input and $1.00 output per 1M tokens, it is among the most expensive on the market. It offers a standard large context window.
Editorial notes
Nous Hermes 3 405B Instruct offers a large 131K context window at moderate pricing but lacks benchmark data, making capability verification impossible for business deployment.
Assessed May 5, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
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 Detail
| Instruct Type | chatml |
How does Nous: Hermes 3 405B Instruct stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
nousresearch/hermes-3-llama-3.1-405b
|
| Provider | nousresearch |
| Release Date | August 16, 2024 |
| Context Length | 131,072 tokens |
| Max Completion | 16,384 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $1.00 | $0.001000 |
| Output | $1.00 | $0.001000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
