Grok-1 (Nov 2023 preview; full access 2024): 314B parameter Mixture-of-Experts (MoE). Early beta. Open-weights release March 2024 (GitHub, JAX code + weights, Apache 2.0). 'Best we could do with 2 months of training.' Rapid development enabled by Colossus-scale compute in later models. Access: Primarily via X (Premium+), grok.com / apps, API.
Source: x.ai / GitHub xai-org/grok-1
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