tech
Anthropic releases new model, Opus 4.8
A Mythos-class model is expected in the coming weeks.

TL;DR
- Anthropic released Claude Opus 4.8, an upgrade to its flagship AI model.
- The new model offers enhanced coding and knowledge work skills at the same price as its predecessor.
- Opus 4.8 outperformed competitors on benchmarks including agentic coding, reasoning, financial analysis, and knowledge work.
- A fast mode allows for 2.5x speed and is three times cheaper than previous models.
- New features include a 'dynamic workflow' for running multiple subagents and a control panel for users to adjust Claude's 'effort' in responses.
- Opus 4.8 scored well on 'prosocial' traits, similar to Anthropic's most powerful model, Mythos.
- Customers are increasingly seeking affordable AI solutions, leading Anthropic to emphasize tailored usage.
- Mythos-class models are expected to be available to all customers in the coming weeks after security enhancements.
- The update reflects a growing customer focus on price when evaluating AI models.