# Anthropic introduces Claude Opus 5 with cost-capability toggle feature New AI model allows users to adjust performance levels to balance cost and capability. - **Source:** [Fortune | FORTUNE](https://brifing.si/source/769282ef-327a-4454-909a-3c7936216004) - **Published:** 2026-07-24 - **Topic:** [Data & AI](https://brifing.si/c/data-ai) - **Original article:** - **On Brifing:** https://brifing.si/s/a74634ce-46cb-4bf8-b1cf-7f68e44961c5 ## Anthropic's new AI model hits the market Anthropic announced Claude Opus 5, designed for everyday business needs. The model enables users to toggle between low, medium, or high effort levels to balance cost and capability. This feature specifically targets enterprise customers concerned about high AI bills. ## More affordable than Fable 5 Opus 5 offers performance close to Fable 5 at half the price, though Anthropic still recommends Fable 5 for more complex projects. Fable 5 was temporarily removed from the market months ago due to security concerns. ## Enhanced user experience The new model requires less back-and-forth than its predecessors and can verify its own work. Its ability to recover from errors without intervention provides a smoother experience for users. This marks Anthropic's fourth model release in two months. ## Balancing security and usability While Opus 5 has stronger safeguards in cybersecurity, it maintains a balanced approach to avoid blocking legitimate security work. When rejecting a request for safety reasons, the API automatically falls back to another model to provide responses rather than errors. ## Optimized for scientific research Anthropic developed Opus 5 to be particularly strong in biology, claiming it's their most capable generally available model for scientific research. The model also caters to key customer segments like law firms and software engineering teams. ## Setting a new industry standard The launch of Claude Opus 5 reflects AI companies' efforts to balance cost, performance, and security. Following security issues with OpenAI's recent models, Anthropic's balanced approach could represent an important step for the industry. ## Sources covering this story - https://fortune.com/2026/07/24/anthropic-debuts-claude-opus-5-with-feature-that-lets-users-toggle-between-cost-and-capability/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._