Anthropic released Opus 4.8, its most advanced publicly available model, on Thursday. The update comes 41 days after the previous version, Opus 4.7, marking a faster development cycle than usual for the company. Standard pricing for Opus 4.8 remains the same as the previous release. The new model is available everywhere, with no changes to the pricing structure. Anthropic's early testers noted that Opus 4.8 is "more likely to flag uncertainties about its work and less likely to make unsupported claims." A testimonial from Bridgewater associates highlighted the upgrade's biggest difference as "Opus 4.8’s tendency to proactively flag issues with the inputs and outputs of an analysis, something other models routinely missed and left to the users to catch." Alongside the model, Anthropic introduced Dynamic Workflows, a feature in research preview designed to help manage complex tasks across hundreds of parallel subagents. The system enables larger models like Opus to handle codebase-scale migrations across hundreds of thousands of lines of code from kickoff to merge, using the existing test suite as a benchmark. Anthropic is still holding back its most advanced Mythos model after a preview last month raised cybersecurity concerns. The company hinted that the Mythos preview period might soon end once necessary safeguards are complete. "We’re making swift progress on developing these safeguards and expect to be able to bring Mythos-class models to all our customers in the coming weeks," the company wrote. *Source: [techcrunch](https://techcrunch.com/2026/05/28/anthropic-releases-opus-4-8-with-new-dynamic-workflow-tool/)*