Alphabet Stock Jumps as Google Releases Gemini 4 Argon

Alphabet Inc (NASDAQ: GOOG) shares rose 1.70% in after-hours trading, reaching $346.52, following the announcement of its advanced AI model, Gemini 4 Argon. This model is designed for complex workflows including software engineering and cybersecurity defense, and will initially cost $2 per million input tokens and $10 per million output tokens. The rollout will be phased, with Google working on safeguards to prevent misuse and ensure system integrity.