0
MODEL SIGNAL · ANTHROPIC

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's flagship multimodal model featuring advanced reasoning capabilities and a 1-million-token context window.

CATEGORYMultimodal
CONTEXT1000000
RELEASEDMay 28, 2026
Key Features
  • 1-million-token context window
  • Native support for text, image, and file inputs
  • Enhanced reasoning and logic capabilities

Provider announcement →

Read the Model Signal report →

The designed Model Signal report for Claude Opus 4.8 is still in review. It will publish here after the fact and quality gates clear.