Gemini4 Argon

Gemini 4 Argon is a frontier artificial intelligence model from Google DeepMind, officially released on September 30, 2026. It is the inaugural model in the Gemini 4 series and signifies a shift in Google's naming convention, moving away from the previous "Pro" and "Flash" tier labels.

Key Capabilities and Use Cases

Gemini 4 Argon is designed to handle complex, long-horizon professional tasks with high precision and depth. Its primary strengths include:

• Software Engineering: Excels in real-world coding tasks, including autonomous vulnerability discovery and patching.
• Enterprise Workflows: Strong performance in data-heavy domains such as financial research, legal drafting, and executive document creation.
• Multimodality: Accepts and processes diverse input types, including text, images, video, and files (such as PDFs).
• Reasoning and Context: Features a 1-million-token context window, allowing it to maintain context across lengthy, multi-step tasks.

Availability and Access

• Deployment: Following an initial rollout to government and "trusted defender" partners through the Fairwind Program, the model was made available to developers via the Gemini API and Google Cloud.
• Consumer Access: Google AI Ultra and Pro subscribers can access the model through the Gemini app and AI mode in Search.
• Pricing: As of October 2026, introductory pricing was set at $2 per million input tokens and $10 per million output tokens.

Performance

Gemini 4 Argon has demonstrated state-of-the-art results on several industry benchmarks. For example, it has performed strongly on the DeepSWE v1.1 benchmark (scoring 77.9%) and reached the top rank on the Vals Index. It is noted for improved response times and a reduction in hedging or repetitive outputs compared to previous generations.