OpenAI launches GPT-5.4 mini and nano, bringing near-flagship AI performance to free ChatGPT users at a fraction of the cost.

OpenAI’s GPT‑5.4 mini is now available in the API, Codex, and ChatGPT, whereas GPT‑5.4 nano is only available in the API.

OpenAI’s GPT-5.4 mini and nano models cut costs and latency while staying close to flagship performance, giving developers faster AI options for real-time apps without sacrificing core capabilities.

OpenAI's new small models are faster and cheaper than GPT-5.4—exactly what developers and businesses actually need.

Nvidia unveiled its open-source Agent Toolkit at GTC 2026, adding OpenShell, AI-Q, and major partners including Adobe, SAP, ...

OpenAI continues to ship new models with the release of GPT-5.4 mini and nano, its “most capable small models yet.” ChatGPT users can start using GPT-5.4 mini today. These flavors of GPT-5.4 are ...

Disclosure: Ziff Davis, CNET's parent company, in 2025 filed a lawsuit against OpenAI, alleging it infringed Ziff Davis ...

The latest GPT-5.4 mini model delivers benchmark results surprisingly close to the full GPT-5.4 model while running much ...

The LeakNet ransomware gang is now using the ClickFix technique for initial access into corporate environments and deploys a ...

Sam Altman says ChatGPT Codex subagents outperform Claude Code, using plain-language triggers and configurable agent files ...

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