Claude Opus is Anthropic's most powerful large language model, designed for complex reasoning, coding, and enterprise workflows. Released on February 5, 2026, Claude Opus 4.6 improves upon its predecessor with better coding skills, sustained performance on long-running tasks, and improved code review and debugging. It can handle tasks like financial analysis, research, and document creation. Opus 4.6 is available on the Claude Developer Platform, Amazon Bedrock, Google Cloud's Vertex AI, and Microsoft Foundry. It is also accessible through Claude Pro, Max, Team, and Enterprise subscriptions.
Key features of Claude Opus 4.6 include a 1 million token context window (in beta), allowing it to process large amounts of information. It also possesses adaptive reasoning, which involves different effort levels to optimize performance, cost, and latency. Opus 4.6 is particularly strong in coding, demonstrating the ability to plan carefully, sustain effort over longer periods, and operate reliably in larger codebases. Pricing for Claude Opus 4.6 starts at $5 per million input tokens and $25 per million output tokens. For workloads that need to run in the US, US-only inference is available at 1.1x pricing for input and output tokens. A monthly subscription for Claude Pro, which includes access to Opus 4.6, costs $20.
