Anthropic launched its Claude Opus 5 AI model on July 24, 2026, aiming to provide enterprise users with powerful and cost-effective AI capabilities [1, 2, 3]. Opus 5 approaches the performance of Anthropic's more advanced model, Fable 5, across many domains while being priced at half the cost [1, 2, 3, 4].
Opus 5 is positioned specifically for everyday office use and biology-related tasks, targeting typical enterprise workflows [1, 2, 3]. It performs better on complex coding and knowledge work than earlier Opus versions, including the immediate predecessor Opus 4.8, which was released weeks earlier [1, 4]. As product lead Dianne Penn explained, "This version is more efficient than May's Opus 4.8. We are actively responding to enterprise users' requests on how to create more value" [2].
Pricing for Opus 5 maintains the same token input/output costs as Opus 4.8 at $5 and $25 per million tokens respectively, making it a more affordable option compared to Fable 5 [1, 4]. The lower price comes with less stringent data policies; unlike Fable 5, Opus 5 does not require users to opt into a 30-day data retention plan [4].
Benchmark results confirm Opus 5's competitive edge. It scored 1861 on the GDPval-AA v2 test, surpassing Fable 5's 1747 and Opus 4.8's 1593 [4]. The model also excelled on Zapier’s AutomationBench, doubling the pass rate of the next-best model at comparable cost [4]. On DeepSearchQA and Humanity’s Last Exam benchmarks, Opus 5 delivered the highest cost-effectiveness, slightly outperforming Fable 5 even when the latter used tools [4].
Anthropic has strengthened cybersecurity safeguards in Opus 5 compared to previous versions [1]. The company has collaborated with U.S. government partners to facilitate independent testing amid heightened government scrutiny of AI security [1]. Danielle Ghiglieri, an Anthropic spokesperson, said, "We continue to work with our government partners to conduct their own independent testing of our models. This includes Opus 5." [1]
Opus 5 serves as the default model for Claude Max subscribers and is also available to Claude Pro users [4]. The release arrives as AI market competition intensifies and enterprise customers become more cost conscious [3].
