September 30, 2026 at 7:52 PM UTCUpdated on September 30, 2026 at 9:05 PM UTCAlphabet Inc.’s Google has begun rolling out Gemini 4 Argon, its long-awaited flagship artificial intelligence model, but the company is grappling with internal skepticism over how well it performs in key areas, such as coding.Google unveiled the model Wednesday to a small group of trusted cybersecurity partners and said it will expand access after additional testing, starting with paid subscribers. The company said Gem...