Frontier-Bench

Anthropic PBC launched Claude Opus 5, a large language model that approaches the output quality of its top-end Mythos 5 algorithm in many areas but costs significantly less, and is now the default mod…

Anthropic released Claude Opus 5, priced the same as Opus 4.8 with a fast mode at twice the cost, featuring improved general capabilities that led to substantial gains in finding cybersecurity vulnera…

The team behind Terminal-Bench and Harbor released Frontier-Bench v0.1, a continuous benchmark with 74 tasks across 7 domains that measures agent abilities at the frontier, with the best models achiev…