Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities
The Verge Hayden Field ● Covered by 8 sources
Anthropic released Claude Opus 5, a new model that the company claims achieves capabilities close to Claude Fable 5 in many domains and shows significant improvements in complex coding tasks. Opus 5 arrives weeks after government scrutiny of Fable 5 led to a temporary takedown and the implementation of stronger cybersecurity measures. The release represents Anthropic's effort to provide a capable alternative following regulatory concerns about its most advanced model.
Why it matters
Weeks after Anthropic's latest toe-to-toe with the US government, and days after an OpenAI security incident that dominated tech industry discussions, Anthropic on Thursday released its newest model, Claude Opus 5. The company said in a release that Opus 5 "comes close to the capabilities of Claude Fable 5 in many domains" and is much […]
Also covered by
- Ars Technica — Anthropic's Opus 5 is about token efficiency, not a capability leap
- Anthropic News — Introducing Claude Opus 5
- TechCrunch AI — Anthropic launches Opus 5
- The New Stack — Anthropic’s Opus 5 is almost Fable 5
- Sakana AI — Announcing Fugu-Ultra v1.1 and Claude Code interface for Fugu
- The Batch — Testing Mythos and Fable, Moving Beyond SWE-bench, Nvidia's Open Contender
- The Batch — Mythos Begets Fable, Cursor's Composer 2.5, Agents Building Agents
