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
Who really controls AI? Inside the global power struggle over advanced models
A powerful new AI model called Mythos has reignited a global debate: who should control frontier AI systems, and how do we keep them out of the wrong hands? Thi…
Why ex-AI researcher Jacob Coxon says the next two years are crunch time
Former Anthropic and OpenAI researcher Jacob Coxon says today’s AI systems already show worrying signs of autonomy—and warns that the next one to two years coul…
Anthropic’s Claude Mythos: the ‘too powerful’ AI model shaking up Wall Street
Anthropic has unveiled Claude Mythos, an AI model so capable at finding software vulnerabilities that the company is refusing a public release. Instead, it’s be…
Suno v6 early access: a first look at the new-generation music model
Suno v6 is a major upgrade to the AI music platform, bringing a new generation of models built in partnership with the music industry. Here’s how the new Pro, W…
Why an Illinois AI “safety” bill could become a license to harm
An Illinois bill called the Artificial Intelligence Safety Act sounds like it’s about protecting people, but critics say it mainly protects big AI companies fro…
Why Anthropic says its new Mythos AI model is too dangerous to release
Anthropic’s new AI model, Mythos, is so good at finding software vulnerabilities that the company is refusing to release it publicly—for now. Here’s what Mythos…
Anthropic’s Mythos model: powerful new AI cyber tool or massive security risk?
Cyber expert John Carlin warns that Anthropic’s new Mythos AI model can uncover software vulnerabilities across major systems at a scale we’ve never seen before…
GPT Image 2.5 finally fixes AI image slop
GPT Image 2.5 cleans up many of the visual quirks people call “AI slop” – from muddy colors to noisy faces and overstuffed poster designs. Here’s what changed, …
I tested DeepSeek V4 vs Opus 4.7 vs GPT 5.5: which model should you actually use?
GPT 5.5, Claude Opus 4.7, and DeepSeek V4 all look strong on benchmarks—but how do they behave in real coding workflows? This breakdown compares cost, performan…
Can a 35B local model really beat Claude Sonnet 3.5?
Alibaba’s Qwen 3.5 35B model scores higher than Claude Sonnet 3.5 on many benchmarks, but how does it actually perform in real-world coding and front-end tasks?…
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Claude Opus 4.8 - Claude Opus 4.8 is Anthropic's most advanced AI model, excelling at coding, reasoning, writing, and agentic tasks. Avail…
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Cursor - Cursor is an AI coding agent and editor for developers who want faster coding, debugging, refactoring, and code review. …
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Codex - Codex is OpenAI's AI coding agent that writes features, fixes bugs, runs tests, and prepares code for review. It's built…
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Playground OpenAI - OpenAI Playground lets you test prompts, compare models, and explore text, image, and other AI workflows in one place. I…
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Claude Code - Claude Code is an AI coding assistant from Anthropic that helps you read, edit, test, and automate work across a codebas…
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Scale AI - Scale AI helps enterprises build, test, and improve AI systems with training data, model evaluation, and deployment tool…
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Phi-4 - Phi-4 is Microsoft’s small language model for text generation, reasoning, and coding tasks. It suits developers and team…
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GPT-4o mini - GPT-4o mini is OpenAI’s lightweight multimodal model for text and image-based tasks. It is built for developers and team…
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Llama 3.2 - Llama 3.2 is Meta’s open model family for text and vision tasks. It’s built for developers, researchers, and teams that …
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Claude Haiku 4.5 - Claude Haiku 4.5 is Anthropic’s fast, cost-efficient AI model for writing, coding, and quick everyday work. It suits dev…