Open models by OpenAI

Open models by OpenAI — All Guides

Open models by OpenAI are open-weight reasoning models for developers and teams that want more control. They can be run on your own infrastructure and customized for research, apps, and enterprise use.

Guides & Articles

GPT-5.5 vs DeepSeek V4: new models, new benchmarks, and a growing compute war

GPT-5.5 vs DeepSeek V4: new models, new benchmarks, and a growing compute war

GPT‑5.5 and DeepSeek V4 arrived within hours of each other, and both could shape how millions use AI. Here’s what the new benchmarks, safety findings, and compu…

Why DeepSeek’s new visual reasoning trick is a real AI game changer

Why DeepSeek’s new visual reasoning trick is a real AI game changer

DeepSeek’s new research shows how AI models can “point” inside images while they think, making visual reasoning faster, cheaper, and more accurate. Here’s how i…

AI news: GPT-5.5, next-gen images, Claude Design, and a wave of new models

AI news: GPT-5.5, next-gen images, Claude Design, and a wave of new models

This week brought one of the biggest jumps in AI we’ve seen all year: OpenAI launched GPT‑5.5 and a top‑ranked image model, Anthropic shipped powerful new desig…

Anthropic’s Mythos 1 is coming: why this model could rewrite cybersecurity

Anthropic’s Mythos 1 is coming: why this model could rewrite cybersecurity

Anthropic’s Mythos 1 model is quietly moving from restricted research tool to real-world product, after uncovering tens of thousands of critical software vulner…

China’s free Kimi model, GPT‑5.5, Grok 4.3 and 12 more AI updates you shouldn’t miss

China’s free Kimi model, GPT‑5.5, Grok 4.3 and 12 more AI updates you shouldn’t miss

A free Chinese model just outperformed Claude and ChatGPT on one of the toughest AI exams, OpenAI quietly rolled out GPT‑5.5 and workspace agents, and Elon’s Gr…

Elon Musk, OpenAI, and the global AI power struggle

Elon Musk, OpenAI, and the global AI power struggle

A courtroom clash between Elon Musk and Sam Altman, growing public distrust of AI, and a high-stakes chip race between the US and China are reshaping who contro…

DeepSeek V4 preview: powerful on paper, mid in real-world coding tests?

DeepSeek V4 preview: powerful on paper, mid in real-world coding tests?

DeepSeek V4 Pro and Flash arrive with huge context windows, aggressive pricing, and bold benchmark claims. But in hands-on coding and front-end tests, this earl…

Grok 4.3: inside Elon Musk’s most powerful xAI model yet

Grok 4.3: inside Elon Musk’s most powerful xAI model yet

Grok 4.3 is xAI’s newest flagship model, bringing video understanding, instant document generation, real-time web data, and stronger reasoning to a small group …

OpenAI’s rumored AI phone and why Apple should pay attention

OpenAI’s rumored AI phone and why Apple should pay attention

OpenAI is reportedly working on its own AI-first phone, custom chips, and a family of hardware devices designed around agents, not apps. Here’s what that could …

OpenAI GPT-5.5: faster, smarter, and built to actually finish your work

OpenAI GPT-5.5: faster, smarter, and built to actually finish your work

GPT‑5.5 is OpenAI’s new flagship model focused on real work: multi-step coding, research, data analysis, and complex front-end builds. It beats most rivals on r…