Build Your Own Content Fact Checker with OpenAI gpt-oss-120B, Cerebras, and Parallel

​Ever read an article only to discover later that some of the “facts” were fabricated? Fear not, introducing the Content Fact Checker.

​This guide provides a practical, automated way to assess factual accuracy at scale. It extracts claims from any text, retrieves real-world evidence, and evaluates each claim using gpt-oss-120B and Cerebras.

​For this guide, you'd need two APIs:

• ​Cerebras API: the fastest inference provider, get started for free here.

• ​Parallel API: The search engine for AI, get started for free here.

• ​Learn more about best practices of gpt-oss-120B here.

​​Cerebras is the world’s fastest AI inference, up to 20x faster than leading GPUs. Cerebras Inference is powered by our Wafer-Scale Engine (WSE-3) - the world's largest AI chip. Explore our newest open-source model, GLM 4.6, and get free compute at cerebras.ai.