Claude Opus 4.1
Claude Opus 4.1 is an incremental update to Anthropic’s flagship Claude 4 model, released August 2025. It brings improvements to agentic task performance, coding accuracy, and extended context handling, making it more effective for autonomous multi-step workflows requiring sustained focus. The model shows measurable gains on software engineering benchmarks and computer-use tasks, reducing hallucination rates in long-horizon tasks. Available via Claude.ai at $18/month and through the Anthropic API.
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