Model release: Anthropic & Claude 5

Model release ● Confirmed 98% confidence first seen 23 July 2026, 07:50

Type: Model release
Status: Confirmed
First seen: 23 July 2026, 07:50
Latest source: 27 July 2026, 10:38
Sources: 17

Anthropic Boris Cherny Claude 5 Claude Fable 5 Claude Mythos 5 Claude Opus 5 Fugu-Cyber Fugu-Ultra v1.1 Opus 5 Sakana AI ARC-AGI 3 Amazon Bedrock Amazon Web Services Artificial Analysis Artificial Analysis Intelligence Index Claude Code Claude Max Claude Opus 4.8 Fable Fable 5 Fugu-Ultra Microsoft Mythos 5 NVIDIA OpenAI OpenRouter Opus 4.8 U.S. Government UC Berkeley Vercel

Source coverage

23 Jul, 07:50 Model release: Anthropic & Claude Fable 5 The Batch newsletter 23 Jul, 07:50 Model release: Anthropic & Claude Mythos 5 The Batch newsletter 24 Jul, 13:00 Model release: Anthropic & Claude Opus 5 The Verge independent 24 Jul, 16:05 Model release: Sakana AI & Fugu-Ultra v1.1 Sakana AI 24 Jul, 17:00 Model release: Anthropic & Opus 5 TechCrunch independent 24 Jul, 17:00 Model release: Anthropic & Claude Opus 5 The New Stack 24 Jul, 17:35 Model release: Anthropic & Claude Opus 5 Anthropic official 24 Jul, 17:59 Model release: Anthropic & Claude Opus 5 AWS 24 Jul, 19:06 Model release: Anthropic & Claude Opus 5 The New Stack 24 Jul, 21:05 Model release: Anthropic & Opus 5 Ars Technica independent 24 Jul, 21:50 Model release: Claude Opus 5 & Claude Opus 4.8 MarkTechPost 24 Jul, 23:48 Model release: Anthropic & Claude Opus 5 Simon Willison's Weblog industry analysis 25 Jul, 00:42 Model release: Anthropic & Claude Opus 5 Simon Willison's Weblog industry analysis 25 Jul, 07:25 Model release: Anthropic & Claude Opus 5 Latent Space newsletter 25 Jul, 13:40 Model release: Anthropic & Claude Opus 5 Zvi (Don't Worry About the Vase) 26 Jul, 00:12 Model release: Sakana AI & Fugu-Cyber MarkTechPost 27 Jul, 10:38 Model release: Anthropic & Claude 5 Claude newsletter