Is Claude 3.5 Sonnet Free

Is Claude AI Free? The 2026 Guide to Limits and Access The question “Is Claude free?” used to have a simple answer. In 2026, it is more complex. With the release of Claude Sonnet 4.6 and the retirement of older 3.5 and 3.7 models, Anthropic has moved toward a “Dynamic Capacity” model. If you are…