Thinking Tokens Are Not Free. Most Pipelines Treat Them Like They Are. Agentic pipelines using advanced reasoning models like OpenAI GPT-5.x, Claude Opus/Sonnet 4.x, and Gemini 3/2.5 incur hidden costs from thinking tokens, which most pipelines fail to account for, leading to unexpected expenses and inefficiencies. The hidden ops problem inside agentic pipelines using OpenAI GPT-5.x and o-series, Claude Opus/Sonnet 4.x, Gemini 3/2.5 reasoning models… Continue reading on Towards AI »