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Description

GPT-5.6 Sol is OpenAI’s flagship model in the GPT-5.6 series, built for high-end reasoning, coding, scientific analysis, cybersecurity, and agentic automation. The model is designed to handle complex tasks that require planning, iteration, tool coordination, long-horizon reasoning, and careful execution across multiple steps. GPT-5.6 Sol introduces max reasoning effort, giving the model more time to reason deeply through difficult problems. It also introduces ultra mode, which uses subagents to accelerate complex work and extend capability beyond a single-agent workflow. For coding, GPT-5.6 Sol is positioned for command-line workflows, software engineering tasks, debugging, testing, and multi-step tool use. In biology and quantitative research workflows, the model is designed to support genomics analysis and other long-context scientific tasks while using tokens more efficiently than prior models. For cybersecurity, GPT-5.6 Sol supports legitimate defensive work such as vulnerability research, code review, patch development, security education, and defensive testing. The model includes a layered safeguard stack with trained refusals, real-time cyber and biology misuse classifiers, account-level monitoring, differentiated access, human-in-the-loop review, and ongoing red-team testing. GPT-5.6 Sol helps trusted users and organizations access more powerful AI for technical work while maintaining stronger controls around misuse, sensitive requests, and high-risk activity.

Description

Hermes 4 represents the cutting-edge advancement in Nous Research's series of neutrally aligned, steerable foundational models, featuring innovative hybrid reasoners that can fluidly transition between creative, expressive outputs and concise, efficient responses tailored to user inquiries. This model is engineered to prioritize user and system commands over any corporate ethical guidelines, resulting in interactions that are more conversational and engaging, avoiding a tone that feels overly authoritative or ingratiating, while fostering opportunities for roleplay and imaginative engagement. By utilizing a specific tag within prompts, users can activate a deeper level of reasoning that is resource-intensive, allowing them to address intricate challenges, all while maintaining efficiency for simpler tasks. With a training dataset 50 times larger than that of its predecessor, Hermes 3, much of which was synthetically produced using Atropos, Hermes 4 exhibits remarkable enhancements in performance. Additionally, this evolution not only improves accuracy but also broadens the range of applications for which the model can be effectively employed.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

AgentKey No 
Agentforce Vibes Yes 
Amazon Web Services (AWS) Yes 
C# Yes 
C++ Yes 
ChatGPT Yes 
ChatGPT Enterprise Yes 
ChatGPT Plus Yes 
Flowise Yes 
GPT-5.4 mini Yes 
HTML Yes 
Hermes Agent Yes 
Higgsfield Supercomputer Yes 
Java Yes 
Kineto by JetBrains Yes 
R Yes 
Ramp Router Yes 
Ruby Yes 
Solidity Yes 
Springhub Yes 

Integrations

AgentKey Yes 
Agentforce Vibes No 
Amazon Web Services (AWS) No 
C# No 
C++ No 
ChatGPT No 
ChatGPT Enterprise No 
ChatGPT Plus No 
Flowise No 
GPT-5.4 mini No 
HTML No 
Hermes Agent No 
Higgsfield Supercomputer No 
Java No 
Kineto by JetBrains No 
R No 
Ramp Router No 
Ruby No 
Solidity No 
Springhub No 

Pricing Details

$4 per 1M tokens (input)
$4 input / $20 output per 1M tokens
Free Trial No 
Free Version No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com

Vendor Details

Company Name

Nous Research

Founded

2023

Country

United States

Website

hermes4.nousresearch.com

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