OpenAI released two open-weight language models this week, available to download for free and under the Apache 2.0 license on Hugging Face: gpt-oss-120b and gpt-oss-20b. The last open-weight model ...

The release marks a break from closed systems, offering enterprises customizable, high-performance AI without vendor lock-in.

OpenAI has launched Harmony, a mandatory new response format for its gpt-oss models, designed to structure agentic workflows ...

As per the official statement, both models also perform strongly on tool use, few-shot function calling, CoT reasoning (as seen in results on the Tau-Bench agentic evaluation suite) and HealthBench ...

The new @OpenAI Codex model is a pretty exciting piece of technology. Here I made a @Blender add-on and taught it how to use the built in Python API.

OpenAI’s Codex is now accessible to ChatGPT Plus subscribers, expanding its availability beyond Enterprise, Team, and Pro users, with enhanced features like controlled internet access for secure ...

OpenAI is releasing models with open weights—but key details like architecture and training methods remain secret.