tech
Introducing Claude Opus 4.8
We’re upgrading Claude Opus to a new version: Claude Opus 4.8. It builds on Opus 4.7 with improvements across benchmarks, and is a more effective collaborator. It’s available today for the same price.
TL;DR
- Claude Opus 4.8 is now available, offering improvements over Opus 4.7 across benchmarks.
- New features include 'dynamic workflows' for Claude Code and 'effort control' for claude.ai users.
- Opus 4.8 demonstrates enhanced reliability, judgment, and efficiency in agentic tasks and coding.
- The model achieves top scores on benchmarks for legal work, computer use, and browser agents.
- A key improvement is increased honesty, with Opus 4.8 being less likely to make unsupported claims.
- Alignment assessments show Opus 4.8 has lower rates of misaligned behavior than Opus 4.7.
- Future developments include models with similar capabilities at lower costs and a new class of even more intelligent models like Claude Mythos Preview.