Unlocking OpenAI’s gpt-oss Models: Technical Breakdown & Real-World SEO Applications

OpenAI gpt-oss Models: Technical Breakdown & Real-World Applications Introduction On August 5, 2025, OpenAI released two open-source large language models (LLMs) under the Apache 2.0 license: gpt-oss-120b and gpt-oss-20b. These models aim to balance cutting-edge performance with flexibility for developers. This article breaks down their architecture, training methodology, and real-world use cases in plain language. 1. Model Architecture: How They’re Built 1.1 Core Design Both models use a Mixture-of-Experts (MoE) architecture, a type of neural network that activates only parts of the model for each input. This makes them more efficient than traditional dense models. Component gpt-oss-120b gpt-oss-20b Total Parameters …