The Intake
The Intake — Tuesday, October 13, 2026
On the substrate
Google Gemini 4 Argon reaches broad availability with introductory pricing at $2/$10 per million through November 30
If you've been deferring your Gemini 4 Argon evaluation because the model was in limited preview, that constraint lifted today. Google released Argon broadly on October 13; the limited release had begun September 30. Introductory API pricing is $2 per million input tokens and $10 per million output tokens. Both rates hold through November 30, 2026. From December 1, those rise to $4 and $20 per million. Cached input tokens carry a 95% discount.
The model carries a 1M-token context window. Google's ADK reports a 40% reduction in in-memory session prep time for Argon workloads. It also reports a 21% speedup in cold imports. On Gray Swan's Indirect Prompt Injection benchmark, Argon recorded a 0.7% attack success rate. The evaluation used 15 adaptive attempts. On CWE-Bench v1 for vulnerability remediation, it scored 68%. That tied it for first. Google says overnight autonomous task completion is available within testing guardrails. The model ID is gemini-4-argon. It is accessible through Google Cloud, Google AI Studio, and Google Antigravity.
If you're evaluating models for ADK-based agent pipelines, the introductory pricing window holds through November 30.
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For operators
American Express issues purchase tokens scoped to customer-approved intent — card number never reaches the agent
If your agent stack includes purchase initiation capability, American Express announced the Intent Intelligence Framework on October 13. The framework introduces a token-gated authorization model for agent purchase transactions. The Create Intent API captures a customer's purchase constraints: merchant, budget, and product preferences. The customer authenticates and approves the captured intent. On approval, the system generates an Intent ID and a Proof of Intent Token. American Express says the token secures a digital payment credential for the transaction. American Express says the card number is not transmitted to the agent.
Hannah Bozian, VP of Agentic Partnerships and Strategy at American Express, is the named spokesperson. The framework follows the April 2026 launch of Amex's ACE Developer Toolkit. If you're currently bounding agent purchase authority through policy instructions, the framework describes an alternative. Customer intent is scoped and bound in a token before the payment credential is issued.
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