Gate News message, April 22 — X has rolled out Custom Timelines, a new feature that allows users to pin specific topics to their home feed tabs and explore content across more than 75 interest categories. The product update was announced by Nikita Bier, X's product lead and Solana advisor. The Cust

xAI launched speech-to-text and text-to-speech APIs for its Grok platform, enabling developers to integrate natural voice interactions into applications. This update enhances user experience and accessibility for various use cases.

Alibaba's Happy Horse-1.0 model has achieved the highest ranking on the Arena Video Edit global benchmark with an Elo score of 1,299, outperforming xAI's Grok Imagine Video and Kling o3 Pro by significant margins.

Musk said on the X platform that xAI’s Grok model is catching up to Anthropic’s Claude Opus 4.6, with a prediction it will come close to parity in May and may surpass it in June. He said that this timeline counts as a long time in the AI field. Claude Opus 4.6 is Anthropic’s flagship AI model and is the strongest version in the Claude 4 series.

Musk confirmed on the X platform that Grok 4.2 has 0.5 trillion parameters. Calculations suggest that Claude Opus has about 5 trillion parameters, and Sonnet has 1 trillion. Although Anthropic has not disclosed the model parameters, these figures come from Musk’s remarks. Meanwhile, SpaceX AI’s Colossus 2 supercomputer is training a model with the largest scale of 10 trillion parameters, which will become a key competitive factor.

Musk said on the X platform that the key to AI development lies in video understanding and generation technologies, and that photons are the highest-bandwidth form of communication. He noted that Grok Imagine has already achieved positive gross margins, and also mentioned the background behind OpenAI shutting down the video platform Sora.

Gate News reported that on March 30, Musk stated that Grok has launched an automatic translation feature that can proactively identify foreign language content and translate it directly into users' information feeds. Compared to the previous method that required manually clicking the translate button, the new feature enables automated processing. Users have already reported seeing a large number of translated foreign language posts in their timelines.

BlockBeats news, on March 27, Musk responded to the community on the X platform, stating that a significant update for Grok Imagine will be released next week. Combining Musk's earlier confirmation of an "epic" upgrade, the community analyzes that the "significant update" may involve longer video lengths, optimized multimodal inputs, or a new API, marking xAI's accelerated efforts to catch up with OpenAI and Google in the AI video competition.

Gate News reported that on March 27, Musk responded to the community on the X platform, stating that Grok Imagine will have a significant update next week. It is reported that Grok Imagine is a video generation tool built by xAI around the Grok chatbot.

Gate News reports that on March 26, platform product lead Nikita Bier announced that X will officially launch its full algorithmic recommendation feature based on Grok next week. Nikita Bier described this update as the most significant change the X platform has made to date.