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.

BlockInvest raised €4 million in funding, with UniCredit acquiring a 16% stake. The partnership aims to issue Italy's first digital mini bonds and blockchain-based structured notes for wealth management.

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.

On April 13, Ethereum spot ETF net inflows reached $9.4404 million, rising for three consecutive days. Among them, the BlackRock Staked ETH ETF had the largest net inflow, at $5.7776 million, bringing its historical total net inflows to $383 million. At the same time, Grayscale’s Ethereum mini trust ETF also performed well, with net inflows of $5.1508 million. Overall, Ethereum spot ETFs’ net assets were $12.98B.

On April 13, Ethereum spot ETF net inflows reached $9.44 million, including a $5.78 million inflow into BlackRock’s Staking version ETHB and a $5.15 million inflow into Grayscale’s mini ETH. BlackRock ETHA and 21Shares TETH had net outflows of $4.07 million and $1.35 million, respectively, and the fund flows of the remaining products were zero.

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.

On April 9, Ethereum spot ETFs saw net inflows of $106 million, a marked increase compared with the previous day. BlackRock’s ETHA and ETHB had net inflows of $90.94 million and $13.67 million, respectively, while Grayscale’s mini version of ETH recorded net inflows of $9.67 million. Meanwhile, 21Shares TETH, Franklin EZET, and Grayscale ETHE saw net outflows.

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.

April 1, 2026, U.S. spot Bitcoin ETFs saw net outflows of $173.73 million, with cumulative net redemptions of about $500 million in the first quarter, the worst start since 2018. Grayscale products showed diverging performance: the low-fee Bitcoin mini trust attracted inflows, indicating institutional investors are adjusting their strategy. Ethereum ETFs also face pressure, and the market needs to watch future institutional demand and regulatory changes.

On April 1, Bitcoin spot ETFs had total net outflows of $174 million, Grayscale’s Bitcoin Mini Trust ETF had net inflows of $10.25 million, and BlackRock ETFs had net outflows of $86.52 million. The total net asset value of Bitcoin spot ETFs was $87.71 billion, with historical net inflows of $55.95 billion.