AI illustration: xAI will open source Grok 'this week' (March 2024)
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Delivered

xAI will open source Grok 'this week' (March 2024)

“This week, @xAI will open source Grok”
— Elon Musk · Mar 11, 2024 · Elon Musk on X, March 11 2024 (verified verbatim via publish.x.com oEmbed) ↗
What actually happened

Delivered, barely inside the window: xAI published the Grok-1 base-model weights and architecture (314B-parameter MoE, Apache 2.0) on Sunday, March 17, 2024 — the last day of the promised week. Notably it was the raw pre-training checkpoint, not the fine-tuned model that powered Grok on X. TechCrunch — xAI open sources Grok-1 base model ↗

The Progression

Mar 11, 2024
The promise: “This week, @xAI will open source Grok” · Elon Musk on X, March 11 2024 (verified verbatim via publish.x.com oEmbed) ↗
Mar 17, 2024
Delivered — on time. Delivered, barely inside the window: xAI published the Grok-1 base-model weights and architecture (314B-parameter MoE, Apache 2.0) on Sunday, March 17, 2024 — the last day of the promised week. Notably it was the raw pre-training checkpoint, not the fine-tuned model that powered Grok on X. TechCrunch — xAI open sources Grok-1 base model ↗
Today · Jun 12, 2026
Status: Delivered · on time. It happened.

The 'This week, xAI will open source Grok' post of March 11, 2024 landed days after Musk sued OpenAI for abandoning its open-source mission. xAI released Grok-1's weights under Apache 2.0 on March 17 — on time, though as a raw base checkpoint without fine-tuning. A delivered prediction useful as a counterweight to the Grok 3 timeline miss.

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LAST CHECKED 2026-06-12

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