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Models

Models from the labs in Epoch AI's catalog, the repositories they published on Hugging Face, and posts from their own news pages.

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7 models from SpaceX, newest first. The date is Epoch AI's publication date for the model.

Grok 4.7xAI · Language · 2.1B parametersAPI accessSep 21Grok 4.6xAI · Language, Multimodal, Vision · 1,500B parametersAPI accessAug 12Grok 4.5xAI · Language · 1,500B parametersAPI accessJul 8Grok Build 0.1xAI · LanguageAPI accessMay 29Grok Voice Think Fast 1.0xAI · AudioAPI accessApr 23Grok 4.3 BetaxAI · Language · 500B parametersHosted access (no API)Apr 17Grok 4.20xAI · Language · 500B parametersAPI accessFeb 17

Data: Epoch AI, CC BY 4.0. Changes: selected rows and columns of Epoch AI's database.