Anthropic
Anthropic announced Claude Opus 5 on July 24, 2026, positioning it as a new default on Claude Max and the strongest model on Claude Pro, available through Claude.ai, Claude Code, the Anthropic API, Amazon Bedrock, Google Vertex AI, and Microsoft Azure AI Foundry. The post highlights Opus 5's cost-effectiveness, with gr On benchmarks, Opus 5 is reported as state-of-the-art on Frontier-Bench v0.1 and GDPval-AA, more than doubling Opus 4.8's Frontier-Bench performance at lower cost per task, and reaching within 0.5% of Fable 5's peak on CursorBench 3.2 at max effort but at half the cost. Additional gains include 3x the next-best score o