Open source release: Anthropic & Grok 4.3

Open source release ● Confirmed 92% confidence first seen 16 July 2026, 06:35

Type: Open source release
Status: Confirmed
First seen: 16 July 2026, 06:35
Latest source: 18 July 2026, 10:39
Sources: 4

Anthropic Grok 4.3 Grok Build SpaceXAI xAI Amazon Bedrock Claude Code Elon Musk Grok 4.5 OpenAI SpaceX

Source coverage

16 Jul, 06:35 Open source release: SpaceXAI & Grok Build MarkTechPost 16 Jul, 09:30 Open source release: xAI & Grok Build xAI newsletter 16 Jul, 19:29 Open source release: xAI & Grok 4.3 AWS 18 Jul, 10:39 Open source release: xAI & Anthropic The New Stack