Model release: Anthropic & Claude Fable 5

Model release ● Confirmed 72% confidence first seen 14 July 2026, 11:18

Type: Model release
Status: Confirmed
First seen: 14 July 2026, 11:18
Latest source: 18 July 2026, 13:01
Sources: 3

Anthropic Claude Fable 5 Claude Opus 4.8 Claude Sonnet 5 Grok 4.5 GPT o200k OpenAI xAI

Source coverage

14 Jul, 11:18 Model release: Anthropic & OpenAI playcode.io newsletter 16 Jul, 07:34 Model release: Anthropic & Claude Sonnet 5 Anthropic official 18 Jul, 13:01 Model release: xAI & Anthropic The New Stack