Gemini 4 Argon (limited access)
Google announced Gemini 4 Argon, a model designed for long-horizon reasoning across software engineering, enterprise knowledge work, and cybersecurity defense. Its initial rollout is limited to trusted cyber defenders through the Fairwind Program while Google continues guardrail work before broader access.
For buildersIf you have access, compare Argon with your current model on a representative long-horizon coding or document-work task, tracking completion quality and review effort rather than relying on provider benchmark claims.