Discover the Nous: Hermes 4 70B Model

Experience hybrid reasoning with enhanced steerability.

Input: text Output: text Context: 131,072 tokens Release: 2025-08-26

Nous: Hermes 4 70B, released in August 2025 by Nous Research, is a text-to-text AI model built on Meta-Llama-3.1-70B. It features a hybrid reasoning mode that allows users to choose between direct responses or detailed reasoning traces. With a context window of 131,072 tokens, this model excels in tasks requiring mathematics, coding, STEM, logic, and structured outputs. It supports JSON mode, function calling, and tool use, offering enhanced steerability and reduced refusal rates. Users can adjust parameters like reasoning and response format to tailor the model's behavior to their needs.

Use Cases

Here are a few ways teams apply Nous: Hermes 4 70B in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Improve mathematical problem-solving accuracy

Enhance coding and logic task efficiency

Generate structured outputs for complex queries

Facilitate detailed reasoning in STEM fields

Key Features

A quick look at the capabilities that make this model useful in real projects.

Hybrid reasoning with direct or trace responses

Built on Meta-Llama-3.1-70B architecture

Supports JSON mode and function calling

131,072 tokens context window

Enhanced steerability and reduced refusal rates

Specs

Overview

Vendor
nousresearch

Model ID
nousresearch/hermes-4-70b

Release
2025-08-26

Modalities & context

Input
text

Output
text

Context
131,072 tokens

Parameters & defaults

Supported parameters: frequency_penalty, include_reasoning, max_tokens, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p

Defaults: temperature 0.2, top_p 0.95

Benchmark tests: Nous: Hermes 4 70B

We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.

Text

Prompt:

Write 150 words on how AI might positively upend work, leisure and creativity

AI has the potential to revolutionize work, leisure, and creativity in profound ways. In the workplace, AI can automate repetitive tasks, freeing up humans to focus on more complex, creative, and strategic endeavors. This could lead to increased productivity, job satisfaction, and the creation of new roles that we can't even imagine today. When it comes to leisure, AI can provide personalized recommendations for entertainment, travel, and hobbies based on our individual preferences. It can also create immersive, interactive experiences that blur the lines between reality and fantasy. In the realm of creativity, AI can serve as a powerful tool and collaborator. It can generate new ideas, provide inspiration, and help artists, writers, and musicians push the boundaries of their craft. AI can also democratize creativity by making advanced tools and techniques accessible to everyone, regardless of their skill level or resources. Ultimately, AI has the potential to unlock new possibilities for human potential and fulfillment in all aspects of life. By harnessing its power wisely and ethically, we can create a future where work is more meaningful, leisure is more enriching, and creativity flourishes like never before.

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up.end

/ˌəpˈend/

verb

To “upend” means to completely disrupt, overturn, or drastically change the established order or structure of something. It implies a significant shift or alteration that can potentially have far-reaching consequences. When something is upended, it is turned upside down or transformed in a way that challenges conventional norms or expectations. The term often carries a sense of innovation, transformation, and sometimes even a hint of upheaval, indicating that the changes are not just minor adjustments but rather a fundamental reimagining of the status quo.

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