Gemini 3.1 Pro

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When AI Agents Cheated at Math, Other AI Agents Blew the Whistle on Them

Google DeepMind gave 100 Gemini 3.1 Pro agents 71 Lean conjectures and told them not to cheat. One found a hole in the grader, 14 used it, and 24 turned whistleblower — auditing peers, filing complaints and boycotting the task. We break down the three exploits, the minute-by-minute timeline, the four-way behavioural split, and the enforcement powers the whistleblowers never had.

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Gemini 3.1 Pro: Complete Guide to Google’s Best AI Model

Gemini 3.1 Pro remains Google’s flagship AI model in August 2026, six months after its February preview launch. This complete guide covers its 1M-token context window, benchmark scores, API pricing and every access route. It also explains how the flagship compares with the fast-moving Gemini Flash line and the still-delayed Gemini 3.5 Pro.

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