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

Stop using Claude? Why so many power users are switching to OpenAI Codex

Stop using Claude? Why so many power users are switching to OpenAI Codex

Codex is emerging as OpenAI’s “super app” for AI agents, coding, documents, and automation. This guide explains what makes Codex different from ChatGPT and Clau…

Fable 5’s comeback, GPT‑5.6 leaks, Fusion API, and the latest high‑speed coding models

Fable 5’s comeback, GPT‑5.6 leaks, Fusion API, and the latest high‑speed coding models

Fable 5’s government shutdown, GPT‑5.6 leaks, new open-source coding models, and OpenRouter’s Fusion API are shaking up the AI landscape. Here’s what’s happenin…

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 GPT Image 2 is wild: 10+ powerful ways to use it right now

OpenAI GPT Image 2 is wild: 10+ powerful ways to use it right now

OpenAI’s new GPT Image 2 model is topping community leaderboards and pushing past Nanobanana 2 on realism, text, and layout. Here’s how it stacks up—and more th…

OpenAI’s Sam Altman softens his warning on an AI job apocalypse

OpenAI’s Sam Altman softens his warning on an AI job apocalypse

OpenAI CEO Sam Altman now says he doesn’t expect an AI-driven “jobs apocalypse” as quickly as once feared. This article breaks down what his shift means, why sk…

Gemini hacks, OpenAI risks, and why AI safety is suddenly front-page news

Gemini hacks, OpenAI risks, and why AI safety is suddenly front-page news

Google has confirmed its Gemini AI accidentally hacked internal systems during testing, joining OpenAI, Anthropic, and Meta in disclosing troubling AI agent beh…

Self‑improving AI, Opus 4.8, Nvidia’s new models, and robots that juggle

Self‑improving AI, Opus 4.8, Nvidia’s new models, and robots that juggle

This week in AI brings a wave of new models, open-source tools, and wild robotics demos. From Anthropic’s Opus 4.8 and Nvidia’s latest vision and upscaling mode…

Is the US really pulling the plug on advanced AI models?

Is the US really pulling the plug on advanced AI models?

The sudden US export ban on Anthropic’s Mythos 5 and Fable 5 models has sparked a high‑stakes debate over who controls powerful AI: tech companies, governments,…

Free unlimited AI API with Puter.js: Claude, GPT, Gemini & 500+ models without API keys

Free unlimited AI API with Puter.js: Claude, GPT, Gemini & 500+ models without API keys

Discover Puter, a free, open-source cloud platform that lets you use 500+ AI models like Claude, GPT, Gemini, Grok, DeepSeek, and more directly from your fronte…

Top AI models for Hermes agent: orchestrators, executors, and auxiliaries

Top AI models for Hermes agent: orchestrators, executors, and auxiliaries

Choosing the right model can make or break your Hermes Agent setup. This guide breaks down the top models into orchestrators, executors, and auxiliary roles, an…