Futuristic digital illustration showing a glowing human head with a circuit-like brain illuminated in neon purple and orange, facing a robotic hand reaching toward it, with cosmic clouds, planets, data streams, and a city skyline in the background. Bold headline text reads: “Gemini 3.1 Pro Just Changed the AI Race — And Nobody’s Talking About This.”
AIニュース

Gemini 3.1 Pro Is Here: Benchmarks, Pricing, and How It Stacks Up Against Claude and GPT

Google released Gemini 3.1 Pro on February 19, 2026, and its benchmark numbers are hard to ignore. The model scored 77.1% on ARC-AGI-2, a test specifically designed to prevent AI from relying on memorised answers — it forces genuine reasoning on problems the model has never encountered before. That is more than double the 31.1% scored by Gemini 3 Pro when it launched just three months ago. This article covers everything you need to know about Gemini 3.1 Pro, including what changed from the previous version, how it performs against Claude Opus 4.6 and GPT-5.2, what it costs, and where you can access it right now. If you’re deciding whether […]