Nous: Hermes 3 405B Instruct
Nous • LLM
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...
Specifications
Context Window
131K tokens
Input Price/1M
$1.00
Output Price/1M
$1.00
Parameters
—
Max Output
16K tokens
Information
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: Nous: Hermes 3 405B Instruct
What is Nous: Hermes 3 405B Instruct?
Nous: Hermes 3 405B Instruct is an AI model developed by Nous, classified as a large language model (LLM). It focuses on text processing and natural language generation. As an open source model, it is available for download, customization, and on-premises deployment. With a context window of 131K tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.
Pricing & Costs in 2026
Nous: Hermes 3 405B Instruct is usage-based, priced at $1/1M input tokens and $1/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.
Benchmarks & Performance
We don't have detailed benchmark results for Nous: Hermes 3 405B Instruct yet. Benchmarks are updated weekly as new data becomes available from sources like Artificial Analysis, LM Arena, and LiveBench.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
Nous: Hermes 3 405B Instruct is suitable for a wide range of AI applications: long document analysis (contracts, legal proceedings, codebases), text generation, summarization, translation, and general assistance.
Comparison with Alternatives
In the 2026 AI model ecosystem, Nous: Hermes 3 405B Instruct competes directly with similarly capable models. Nous competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is 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...
How much does Nous: Hermes 3 405B Instruct cost?
Nous: Hermes 3 405B Instruct costs $1/1M input tokens and $1/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.
How does Nous: Hermes 3 405B Instruct compare with other models?
We don't have detailed benchmarks for Nous: Hermes 3 405B Instruct yet. Check the main benchmark page to compare available models.
Is Nous: Hermes 3 405B Instruct open source?
Yes, Nous: Hermes 3 405B Instruct is an open source model. You can deploy it on-premises, customize it via fine-tuning, and maintain full control over your data. Check the official repository for the specific license.
What is Nous: Hermes 3 405B Instruct best for?
Nous: Hermes 3 405B Instruct excels at general-purpose language tasks. With its large context window, it handles long documents, codebases, and extended conversations.
Last updated: May 15, 2026 • View methodology →