GPT-5.1-CodexOpenAI
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Nex-N2-ProNex-AGI
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Related Products
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About
GPT-5.1-Codex is a specialized version of the GPT-5.1 model built for software engineering and agentic coding workflows. It is optimized for both interactive development sessions and long-horizon, autonomous execution of complex engineering tasks, such as building projects from scratch, developing features, debugging, performing large-scale refactoring, and code review. It supports tool-use, integrates naturally with developer environments, and adapts reasoning effort dynamically, moving quickly on simple tasks while spending more time on deep ones. The model is described as producing cleaner and higher-quality code outputs compared to general models, with closer adherence to developer instructions and fewer hallucinations. GPT-5.1-Codex is available via the Responses API route (rather than a standard chat API) and comes in variants including “mini” for cost-sensitive usage and “max” for the highest capability.
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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.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Software engineers and engineering organizations wanting a tool to generate, refactor and maintain code at scale, integrated into their existing development toolchain
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Audience
AI engineering teams that need an open agentic reasoning model for complex coding, tool use, multi-agent workflows, and long-horizon automation
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$1.25 per input
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenAI
Founded: 2015
United States
platform.openai.com/docs/models/gpt-5.1-codex
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Company InformationNex-AGI
Founded: 2025
China
nex-agi.com
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Categories |
Categories |
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Integrations
C
C++
ChatGPT Enterprise
ChatGPT Plus
Codex CLI
Elixir
GPT-5.6 Luna
GitHub Copilot
Go
HTML
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Integrations
C
C++
ChatGPT Enterprise
ChatGPT Plus
Codex CLI
Elixir
GPT-5.6 Luna
GitHub Copilot
Go
HTML
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