The assessment is based on strong, consistent evidence from multiple sources, all originating from a single, high-authority primary report. The Israeli financial news outlet Calcalist, which has a high authority score (0.90), appears to have broken the story. This initial report is then corroborated by other credible financial news platforms like Yahoo Finance and Investing.com. While these are secondary sources that cite Calcalist, their decision to syndicate the news lends significant weight and credibility to the original report. All sources are in complete agreement on the core facts: the companies involved (Nvidia, AI21 Labs), the nature of the engagement ('advanced talks'), and the potential valuation ('$2-3 billion' or 'up to $3 billion'). There are no contradictions in the evidence provided. The lower-authority social media posts further confirm that this report is being widely circulated. Although this is not an official confirmation from either company, the quality and consistency of the journalistic reporting make the statement highly probable.