Grok 2.5

xAI · Grok (open weights) line · flagship · open weights

Released August 23, 2025Latest in the line

Grok 2.5 was released by xAI on August 23, 2025, as an open-weights flagship model in the Grok (open weights) line.

Release 2 of 2 in the Grok (open weights) line.
Came 524 days after Grok-1 (open weights), released Mar 17, 2024.
Still the newest model in the line.
Its usual gap between releases was about 524 days; the line's last release was on August 23, 2025.

No detailed card for this model: we only add numbers published by the maker or by independent benchmarks. Sources: Elon Musk on X · Hugging Face · TechCrunch

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Where the Grok (open weights) line stands

Grok 2.5 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.