Claude Opus 4.7 and Claude Opus 4.6 sit very close to each other in Anthropic’s naming sequence, yet the actual comparison becomes much more interesting once the discussion moves away from version labels and into the concrete mechanics of how the two models are priced, how they behave, how they consume tokens, and how they fit into real production workflows. Claude Opus 4.6 already arrived with a serious premium position inside Anthropic’s lineup, and it was introduced as a m

Long-context reasoning has become one of the clearest fault lines in advanced AI because the most valuable workflows no longer begin with one prompt and one answer, and increasingly depend on whether a model can hold many files at once, preserve relationships across them, and keep reasoning coherent as the user moves from one document, image set, or source bundle to another. Claude Opus 4.6 and Gemini 3.1 Pro both belong to the small group of models built for very large-conte

Research synthesis has become one of the clearest tests of high-end AI because the hardest knowledge-work tasks no longer depend only on finding information and increasingly depend on absorbing many sources, preserving nuance across them, retrieving buried details, and converting that evidence into analysis that is structured enough to guide a real decision. ChatGPT 5.4 and Claude Opus 4.6 are both positioned for serious professional work, but they express research strength d