Grok-2 (December 2024 revision)

Claims and evidence

• Released 12 December 2024Rollout of the new version to all users on X, free of charge, began on this date. The same post says xAI was adding the API models grok-2-1212 and grok-2-vision-1212 to its API.Other sources give: 14 December 2024 [2]December 2024, Dec 14 Date under which the xAI API release notes list the release of grok-2-1212 and grok-2-vision-1212 on the API. ● Primary source[1]page date; third paragraph

• Status Status unknownxAI has no deprecation page that covers grok-2-1212 or grok-2-vision-1212. The xAI API models page no longer lists them (checked 2026-10-01) and model-specific doc URLs for them redirect to it, but no xAI notice with a retirement date was found. ◌ Evidence incompleteNo source

• Revision of Grok-2 ● Primary source[1]second and third paragraphs

• Change · Efficiency Three times faster than the earlier Grok-2, according to xAI.Compared with Grok-2 ● Primary source[1]
• Change · Languages xAI reports improved multilingual capabilities.Compared with Grok-2 ● Primary source[1] [2]December 2024, Dec 14
• Change · Other xAI reports better accuracy and instruction following.Compared with Grok-2 ● Primary source[1]
• Change · Availability Free for all X users, and offered on the API as grok-2-1212 and grok-2-vision-1212 at a lower price of 2 USD input and 10 USD output per million tokens.Compared with Grok-2 ● Primary source[1]third paragraph; API access [2]December 2024, Dec 14

• Feature MultilingualxAI says the new version improves multilingual capabilities. ● Primary source[1]second paragraph; API access [2]December 2024, Dec 14
• Parameters Not disclosedNot disclosed by xAI. No claim madeNo source
• Access consumer app, API ● Primary source[1]third paragraph; API access [2]December 2024, Dec 14

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