Grok-2

Claims and evidence

• Released 13 August 2024Released as an early preview in beta on X for Premium and Premium+ users; enterprise API access was announced for later in August 2024. ● Primary source[1]page date; second paragraph
• Weights published on Hugging Face August 2025The card gives no date; the repository's commit history shows the weights uploaded on 2025-08-22 (UTC) and the model card added on 2025-08-23. xAI describes the weights only as Grok 2, a model trained and used at xAI in 2024, so they may belong to the December 2024 revision instead. ● Primary source[2]commit history

• Status AvailableRefers to the Grok 2 weights that xAI published on Hugging Face in August 2025, which remain downloadable; xAI does not say which Grok-2 version they are. The xAI API models page lists no Grok-2 model (checked 2026-10-01), and xAI published no retirement notice for the August 2024 model in its products. ● Primary source[2]Usage: Serving with SGLang

• Successor of Grok-1.5 ● Primary source[1]first paragraph

• Change · Reasoning xAI reports improvements in chat, coding and reasoning over Grok-1.5.Compared with Grok-1.5 ● Primary source[1]
• Change · Tool use xAI says it reasons better with retrieved content and is better at tool use.Compared with Grok-1.5 ● Primary source[1]Grok-2 language model and chat capabilities
• Change · Modality xAI describes the model as having vision understanding; at launch, multimodal understanding on X and in the API was announced as coming soon.Compared with Grok-1.5 ● Primary source[1]Experience Grok with real-time information on X
• Change · Availability Offered through a new enterprise API, announced for later in August 2024, in addition to Grok on X.Compared with Grok-1.5 ● Primary source[1]Build with Grok using the Enterprise API

• Input text, imagexAI says Grok-2 has text and vision understanding capabilities and reports results on visual tasks; at launch it described multimodal understanding on X and the API as coming soon. ● Primary source[1]Experience Grok with real-time information on X
• Feature Tool use ● Primary source[1]Grok-2 language model and chat capabilities
• Open weights YesWeights of Grok 2 under the Grok 2 Community License Agreement (now titled xAI Community License Agreement), published in August 2025; xAI does not say which Grok-2 version they are. ● Primary source[2]
• Parameters Not disclosedNot disclosed by xAI; the Hugging Face card gives only the download size of the weights. No claim madeNo source
• Access consumer app, API, Open-weights downloadAt launch in beta on X for Premium and Premium+ users, with the enterprise API announced for later in August 2024; weights downloadable since August 2025. ● Primary source[1]second paragraph; Build with Grok using the Enterprise API [2]

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