Ratings and Reviews 0 Ratings

Total
ease
features
design
support

This software has no reviews. Be the first to write a review.

Write a Review

Ratings and Reviews 1 Rating

Total
ease
features
design
support

Alternatives to Consider

  • Google AI Studio Reviews & Ratings
    26 Ratings
    Company Website
  • Gemini Enterprise Agent Platform Reviews & Ratings
    967 Ratings
    Company Website
  • LM-Kit.NET Reviews & Ratings
    29 Ratings
    Company Website
  • Adobe Firefly Reviews & Ratings
    25,003 Ratings
    Company Website
  • Evertune Reviews & Ratings
    1 Rating
    Company Website
  • Retool Reviews & Ratings
    577 Ratings
    Company Website
  • AI Video Cut Reviews & Ratings
    1 Rating
    Company Website
  • DataImpulse Reviews & Ratings
    30 Ratings
    Company Website
  • Windocks Reviews & Ratings
    7 Ratings
    Company Website
  • SmartDraw Reviews & Ratings
    551 Ratings
    Company Website

What is Hermes 4?

Hermes 4 marks a significant leap forward in Nous Research's lineup of neutrally aligned, steerable foundational models, showcasing advanced hybrid reasoners capable of seamlessly shifting between creative, expressive outputs and succinct, efficient answers tailored to user needs. This model is designed to emphasize user and system commands above any corporate ethical considerations, resulting in a more conversational and engaging interaction style that avoids sounding overly authoritative or ingratiating, while also promoting opportunities for imaginative roleplay. By incorporating a specific tag in prompts, users can unlock a higher level of reasoning that is resource-intensive, enabling them to tackle complex problems without sacrificing efficiency for simpler inquiries. With a training dataset that is 50 times larger than that of Hermes 3, much of which has been synthetically generated through Atropos, Hermes 4 shows significant performance improvements. This evolution not only enhances accuracy but also expands the scope of applications for which the model can be utilized effectively. Furthermore, the increased capabilities of Hermes 4 pave the way for innovative uses across various domains, demonstrating a strong commitment to advancing user experiences.

What is GPT-5.1 Pro?

GPT-5.1 Pro represents the top tier of OpenAI’s GPT-5 generation, delivering the most advanced reasoning, depth, and analytical intelligence available in ChatGPT. It is optimized for high-stakes, high-complexity scenarios where rigorous logic and verifiable accuracy are essential. Professionals use GPT-5.1 Pro for scientific research, large-scale codebases, legal reasoning, quantitative finance, data analysis, and multi-step decision workflows that exceed the capabilities of general models. With a significantly expanded context window, GPT-5.1 Pro can ingest and analyze long documents, datasets, transcripts, and multi-file projects in a single session. The model’s reasoning engine is tuned for deeper internal deliberation, enabling structured explanations, defensible conclusions, and clearer thought processes. GPT-5.1 Pro also features enhanced adherence to instructions, producing responses that are more predictable, consistent, and aligned with user goals. Compared to Instant and Thinking modes, it is built for reliability rather than speed, prioritizing quality of reasoning over quick output. While it supports most ChatGPT tools, it is intentionally restricted from Canvas and image generation to preserve dedicated compute for reasoning-heavy tasks. GPT-5.1 Pro is exclusive to ChatGPT Pro and Business subscribers, offering unlimited access within standard safety guardrails. It is the model tier best suited for users who depend on ChatGPT as a trusted research partner and analytical assistant.

Media

Media

No images available

Integrations Supported

Agentforce Vibes
AiAssistWorks
Amp
Augment Code
Brokk
C++
CSS
ChatGPT
ChatGPT Pro
HTML
Microsoft Foundry
Microsoft Teams
NextDocs
OpenAI
OpenAI Codex
OpenRouter
Python
SQL
Transor

Integrations Supported

Agentforce Vibes
AiAssistWorks
Amp
Augment Code
Brokk
C++
CSS
ChatGPT
ChatGPT Pro
HTML
Microsoft Foundry
Microsoft Teams
NextDocs
OpenAI
OpenAI Codex
OpenRouter
Python
SQL
Transor

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Nous Research

Date Founded

2023

Company Location

United States

Company Website

hermes4.nousresearch.com

Company Facts

Organization Name

OpenAI

Date Founded

2015

Company Location

United States

Company Website

openai.com

Categories and Features

Categories and Features

Artificial Intelligence

Chatbot
For Healthcare
For Sales
For eCommerce
Image Recognition
Machine Learning
Multi-Language
Natural Language Processing
Predictive Analytics
Process/Workflow Automation
Rules-Based Automation
Virtual Personal Assistant (VPA)

Popular Alternatives

Hermes 3 Reviews & Ratings

Hermes 3

Nous Research

Popular Alternatives

Claude Sonnet 4 Reviews & Ratings

Claude Sonnet 4

Anthropic
Claude Opus 4.1 Reviews & Ratings

Claude Opus 4.1

Anthropic
Hermes Agent Reviews & Ratings

Hermes Agent

Nous Research
Claude Opus 4.5 Reviews & Ratings

Claude Opus 4.5

Anthropic
MaxHermes Reviews & Ratings

MaxHermes

MiniMax