Anthropic says Opus 4 marks a significant advancement in AI agents and that Rakuten deployed it to code autonomously for seven hours on a complicated project (Rhiannon Williams/MIT Technology Review)
Rhiannon Williams / MIT Technology Review: Anthropic says Opus 4 marks a significant advancement in AI agents and that Rakuten deployed it to code autonomously for seven hours on a complicated project — Anthropic has announced two new AI models that it claims represent a major step toward making AI agents truly useful.

Rhiannon Williams / MIT Technology Review:
Anthropic says Opus 4 marks a significant advancement in AI agents and that Rakuten deployed it to code autonomously for seven hours on a complicated project — Anthropic has announced two new AI models that it claims represent a major step toward making AI agents truly useful.