Anthropic launches Claude

Launched Claude to the public

Why it matters

Released the same day as GPT-4, symbolizing that competition was moving beyond prompting tricks

Source — Primary sources first; secondary reports are labelled “Press”

Officialanthropic.comhttps://www.anthropic.com/news/introducing-claude

Added in Week 35, 2026 · See that week

Same week

PyTorch 2.0 released (torch.compile in beta)OfficialOpenAI releases GPT-4OfficialAlpaca 7BOfficial

Nearby on the same axis

OpenAI releases GPT-4OfficialAnthropic's Prompt Engineer and Librarian job reported at $175,000–$335,000PressShinn et al. present ReflexionPaperSelf-Refine publishedPaper