Nous: Hermes 3 405B Instruct
Analysis Summary
Nous: Hermes 3 405B Instruct sits in the Legacy tier on our leaderboard, ranked #455 of 565 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 carries a large parameter count but has no benchmark data, and at $1/1M tokens it offers limited verified value compared to benchmarked alternatives at similar pricing.
Assessed May 28, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How Nous: Hermes 3 405B Instruct compares
Its 131K-token context window is larger than 60% of the models we list. At $1.00 per million input tokens it is cheaper than 25% of comparable models.
About Nous: Hermes 3 405B Instruct
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.
Leaderboard Categories
External Resources
Frequently asked questions about Nous: Hermes 3 405B Instruct
How much does Nous: Hermes 3 405B Instruct cost?
Nous: Hermes 3 405B Instruct costs $1.00 per million input tokens and $1.00 per million output tokens.
What is the context window of Nous: Hermes 3 405B Instruct?
Nous: Hermes 3 405B Instruct has a context window of 131,072 tokens (131K).
Who created Nous: Hermes 3 405B Instruct?
Nous: Hermes 3 405B Instruct is developed by Nous and was released on August 16, 2024.
