Claude Opus 4.1 vs Claude Opus 4 (latest)

When comparing Claude Opus 4.1 and Claude Opus 4, the key differences lie in their release dates, with Opus 4.1 coming out later. Opus 4.1 also offers a higher output limit of 32,000 tokens compared to Opus 4. However, both models share the same impressive 200,000 token context window and advanced capabilities in text input, vision, function calling, and reasoning. For developers looking for the latest technology and higher output limits, Claude Opus 4.1 may be the better choice, while Opus 4 is a solid option for those seeking a reliable AI model with similar capabilities.