Gemini 3.1 Pro

Current flagship. 1M input, 65K output context. 2x+ reasoning boost over Gemini 3 Pro. "Medium" thinking parameter for latency/depth tradeoff. Leads 6 of 10 AA Intelligence Index evaluations at less than half the cost of frontier peers.

Tied #1 on Artificial Analysis with GPT-5.4 at Intelligence Index 57. #1 on 12 of 18 AA benchmarks. Proprietary.