GPT-5.2 Thinking vs. OpenAI Bel Comparison


GPT-5.2 Thinking OpenAI	OpenAI Bel OpenAI	+	+
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About GPT-5.2 Thinking is the highest-capability configuration in OpenAI’s GPT-5.2 model family, engineered for deep, expert-level reasoning, complex task execution, and advanced problem solving across long contexts and professional domains. Built on the foundational GPT-5.2 architecture with improvements in grounding, stability, and reasoning quality, this variant applies more compute and reasoning effort to generate responses that are more accurate, structured, and contextually rich when handling highly intricate workflows, multi-step analysis, and domain-specific challenges. GPT-5.2 Thinking excels at tasks that require sustained logical coherence, such as detailed research synthesis, advanced coding and debugging, complex data interpretation, strategic planning, and sophisticated technical writing, and it outperforms lighter variants on benchmarks that test professional skills and deep comprehension.	About OpenAI Bel is the reported codename of an unreleased artificial intelligence foundation model associated with OpenAI. Unofficial reports describe it as a large-scale pretraining project intended to support future generations of AI models. The project has been linked in speculative reporting to OpenAI's Astra model family and potential successors to GPT-6. Some sources claim that Bel contains more than 10 trillion parameters, although this figure has not been independently verified. OpenAI has not published official technical specifications, benchmark results, or documentation confirming the project's capabilities. Bel is not currently available as a publicly documented model through ChatGPT or the OpenAI API.
Platforms Supported Windows Supported Mac Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Professionals and developers who need an AI model to perform deep reasoning, handle long context tasks, and solve complex problems with high accuracy	Audience AI researchers, machine learning engineers, software developers, enterprise AI teams, and organizations evaluating advanced language models
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Not Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing No information available. Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
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	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 Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information OpenAI Founded: 2015 United States openai.com	Company Information OpenAI Founded: 2015 United States openai.com
Alternatives Claude Opus 4.5 Anthropic	Alternatives GPT-6 Astra OpenAI
Claude Opus 4.6 Anthropic	GPT-6.1 Sol OpenAI
Claude Sonnet 4.5 Anthropic	GPT-6 Sol OpenAI
GPT-5.2 Pro OpenAI	GPT-6 Luna OpenAI
OpenAI o3-mini-high OpenAI View All	Kimi K2.5 Moonshot AI View All
Categories AI Coding Models Supported AI Models Supported AI Reasoning Models Supported Artificial Intelligence Supported Foundation Models Supported Large Language Models Supported Multimodal Models Supported	Categories AI Coding Models Supported AI Models Supported AI Reasoning Models Supported AI Vision Models Supported Foundation Models Supported Large Language Models Supported Multimodal Models Supported

Integrations AiAssistWorks Supported Amp Supported Auggie CLI Supported Azure OpenAI Service Supported Brokk Supported Codex CLI Supported Doraverse Supported EaseMate AI Supported Gemini Enterprise Agent Platform Supported Ghost Supported Microsoft 365 Copilot Supported Microsoft 365 Copilot Chat Supported Microsoft Copilot Studio Supported NextDocs Supported Node.js Supported OpenAI Supported OpenAI Codex Supported Python Supported ThreadMaster.ai Supported TypeScript Supported Show More Integrations View All 69 Integrations	Integrations AiAssistWorks Supported Amp Supported Auggie CLI Supported Azure OpenAI Service Supported Brokk Supported Codex CLI Supported Doraverse Supported EaseMate AI Supported Gemini Enterprise Agent Platform Supported Ghost Supported Microsoft 365 Copilot Supported Microsoft 365 Copilot Chat Supported Microsoft Copilot Studio Supported NextDocs Supported Node.js Supported OpenAI Supported OpenAI Codex Supported Python Supported ThreadMaster.ai Supported TypeScript Supported Show More Integrations View All 128 Integrations
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