GPT-5.1

GPT-5.1

OpenAI
Nex-N2-Pro

Nex-N2-Pro

Nex-AGI
+
+

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About

GPT-5.1 is the latest update in the GPT-5 series, designed to make ChatGPT dramatically smarter and more conversational. The release introduces two distinct model variants: GPT-5.1 Instant, which is described as the most-used model and is now warmer, better at following instructions, and more intelligent; and GPT-5.1 Thinking, which is the advanced reasoning engine that’s been tuned to be easier to understand, faster on straightforward tasks, and more persistent on complex ones. Users' queries are now routed automatically to the variant best-suited to the task. The update emphasizes not just improved raw intelligence but also enhanced communication style; the models are tuned to be more natural, enjoyable to talk to, and better aligned with user intents. The system card addendum notes that GPT-5.1 Instant uses “adaptive reasoning” that lets it decide when to think more deeply before responding, while GPT-5.1 Thinking adapts its thinking time accurately to the question at hand.

About

Nex-N2-Pro is an open source agentic model with Agentic Thinking, built for real-world productivity scenarios where reasoning must turn into executable, verifiable, and iterable action. Rather than treating reasoning, tool use, and environment execution as separate capabilities, Nex-N2 unifies them through a framework that connects requirement understanding, task planning, code implementation, environmental feedback, evaluation, and debugging, and continuous iteration into a single closed loop. Its thinking paradigm is unified across search, coding, and agentic tool calling, following a consistent structure of goal decomposition, state tracking, strategy adjustment, and self-verification, which is especially useful in mixed tasks such as coding workflows that include searches and tool calls. Adaptive Thinking lets the model decide when to think and how deeply, executing simple actions quickly while reasoning more thoroughly on critical decisions to allocate resources efficiently.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, data scientists and enterprise users wanting a solution to handle both smooth interactions and deep reasoning tasks

Audience

AI engineering teams that need an open agentic reasoning model for complex coding, tool use, multi-agent workflows, and long-horizon automation

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com/index/gpt-5-1/

Company Information

Nex-AGI
Founded: 2025
China
nex-agi.com

Alternatives

Alternatives

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Nex-N2-mini

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Ring 2.6

Ring 2.6

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GPT-5.2

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GLM-5.1

Zhipu AI
MiniMax M2.5

MiniMax M2.5

MiniMax

Categories

Categories

Integrations

Amp
Auggie CLI
CSS
ChatGPT
ChatGPT Enterprise
ChatGPT Plus
Devin
Doraverse
Gemini Enterprise Agent Platform
Java
JavaScript
JetBrains AI Assistant
Kineto by JetBrains
LaunchLemonade
Microsoft Teams
Novelcrafter
OpenAI
PHP
React
Use AI

Integrations

Amp
Auggie CLI
CSS
ChatGPT
ChatGPT Enterprise
ChatGPT Plus
Devin
Doraverse
Gemini Enterprise Agent Platform
Java
JavaScript
JetBrains AI Assistant
Kineto by JetBrains
LaunchLemonade
Microsoft Teams
Novelcrafter
OpenAI
PHP
React
Use AI
Claim GPT-5.1 and update features and information
Claim GPT-5.1 and update features and information
Claim Nex-N2-Pro and update features and information
Claim Nex-N2-Pro and update features and information