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
OpenAI’s GPT‑5.4 Pro might now be the smartest AI model in the world
OpenAI’s new GPT‑5.4 Pro model is setting records on cutting‑edge reasoning, math, web browsing, and real‑world work benchmarks—but it comes with a high price t…
AI weekly: Claude Mythos shockwave, new open-source coding beast, and the best video model you can actually use
This week in AI brought a ‘too powerful to release’ security model from Anthropic, a surprisingly strong open-source coder from Zhipu AI, Meta’s new Muse Spark …
DeepSeek V4 Pro tested: massive open-source model with surprising real-world results
DeepSeek V4 Pro has arrived as the largest open-weight model yet, with a 1M token context and aggressive pricing. This hands-on test walks through how it actual…
OpenAI GPT‑5.4: the new all‑in‑one model for coding, agents, and knowledge work
GPT‑5.4 merges OpenAI’s best reasoning, coding, and agent capabilities into a single flagship model with a 1M token context window. Here’s how it compares to Cl…
New world models, GLM 5.2, robot waifus, and Midjourney’s AI spa: this week in AI
This week in AI brings a wave of new open models for video, images, and science, a breakthrough open-source LLM in GLM 5.2, powerful robotics demos, and even Mi…
Get free API keys for popular AI models in 2026 (Claude, OpenAI, Gemini & more)
Want to experiment with top AI models without burning through your credit card? This guide walks you through several platforms that give you free or low-cost AP…
DeepSeek V4, OpenCode, and Superpowers: why this open-source stack feels insane
DeepSeek V4 Flash and Pro have landed with a 1M-token context window and serious potential for open-source AI. Here’s how they perform in real coding workflows …
Kimi K2.6: open-source powerhouse for coding, web design, and AI agents
Kimi K2.6 is Moonshot AI’s new open-source, open-weights model built for serious coding, web design, and agent workflows. Here’s how it compares to top closed m…
DeepSeek V4 is here: open-source powerhouse with 1M token context
DeepSeek V4 has arrived with two massive open-source models, a 1M token context window, and performance that rivals top closed models. Here’s what’s new, how it…
DeepSeek V4 is here: inside the 1.6T-parameter Pro and ultra-efficient Flash models
DeepSeek V4 has arrived with a 1.6 trillion parameter Pro model and a highly efficient Flash variant that promise huge leaps in reasoning, coding, and long-cont…
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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…