xAI Grok 4.5 enters private beta at SpaceX and Tesla.

Grok 4.5, built on xAI's 1.5T V9 foundation model with Cursor training data added in supplemental training, entered private beta at SpaceX and Tesla. Early evaluations show performance close to or possibly exceeding Anthropic's Opus model. xAI plans to release new models trained from scratch monthly.

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@xai1H · 1922.9K

Grok Imagine Video 1.5 is here Our new image-to-video model with sharper realism, better physics and faster generations 🧵 https://t.co/zGhs9czkC5 https://t.co/9X4YicpMH8

@xai1D · 2106.5K

Grok Imagine Video 1.5 is here Our new image-to-video model with sharper realism, better physics and faster generations 🧵 https://t.co/zGhs9czkC5 https://t.co/9X4YicpMH8

@xai2D · 1470.1K

Grok Imagine Video 1.5 is here Our new image-to-video model with sharper realism, better physics and faster generations 🧵 https://t.co/zGhs9czkC5 https://t.co/9X4YicpMH8