Anthropic launches upgraded Opus 5 AI model

Anthropic released Opus 5, a mid-tier AI model positioned at half the cost of its flagship Fable 5 while approaching similar capabilities for office work and programming tasks. The model shows faster iteration cycles and improved safety profiles against exploitation and misuse compared to prior versions.

This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.