Anthropic just dropped Claude Opus 4.1, a powerful upgrade focused on state-of-the-art coding, agentic tasks, and deep reasoning. With endorsements from GitHub and Rakuten, this new model is a direct challenge to competitors. The release comes just days before OpenAI's expected GPT-5 reveal, heating up the battle for AI supremacy. Learn what's new, how to access it, and why this matters for the future of AI.