On 2026-02-19, Google announced Gemini 3.1 Pro and began rolling it out across developer, enterprise, and consumer surfaces. The post reports a verified ARC-AGI-2 score of 77.1% and lists immediate access via Gemini API, Gemini CLI, Vertex AI, Gemini app, and NotebookLM.
OpenAI published five model-generated submissions to the First Proof math challenge. None were accepted as valid solutions, but the release gives researchers direct evidence of where frontier reasoning systems succeed and fail.
A top Hacker News discussion tracked Google’s Gemini 3.1 Pro rollout. Google positions it as a stronger reasoning baseline, highlighting a 77.1% ARC-AGI-2 score and broad preview availability across developer, enterprise, and consumer channels.
OpenAI reports that, across more than one million ChatGPT conversations, the share of difficult interactions exceeding a human baseline increased roughly fourfold from September 2024 to January 2026. The company also shows large gains in case-interview and puzzle-style open tasks.
Google announced a major Gemini 3 Deep Think upgrade with stronger reasoning benchmarks and early API access for researchers and enterprises.
Mathematicians launch a new mathematical proof challenge for AI systems, testing whether AI can not only provide answers but also clearly demonstrate the proof process.
A new study shows OpenAI's GPT-5 model outperformed federal judges in complex legal reasoning tasks.