Anthropic launches Claude Opus 4.5, promising an AI breakthrough
Claude Opus 4.5 outperforms rivals on coding benchmarks, reduces token usage and backtracking, is cheaper per token, and is broadly available on major clouds.
Anthropic's Claude Haiku 4.5 matches May's frontier model at fraction of cost
Haiku 4.5 is a faster, lower-cost small coding model designed for real-time tasks and multi-model workflows, offering near-Sonnet and competitive GPT-5 benchmark performance.