TechPulse USA

Kimi K3.1 Pro Nearly Matches Claude Opus 5.5 — Weights Free in November By Daniel Rao | October 24, 2026 Three weeks after OpenAI accused people linked to Moonshot AI of trying to extract the hidden reasoning out of its models, Moonshot has answered the loudest way a lab can: its new Kimi K3.1 Pro sits one point behind the best closed model in America on the most-watched independent leaderboard — and the company promises to hand the whole thing over, weights and all, free, on November 4. Whether that date is a promise or a provocation is the story. Some outlets datelined the launch October 24 — a timezone artifact; the announcement actually landed on the 23rd, through Moonshot's launch blog and a LinkedIn post that made the rounds before most American analysts had had coffee. "Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model," Moonshot wrote. Then the line that detonated the benchmark tables: "Kimi K3.1 Pro and K3.1 Pro Highspeed (2–3× fast...

By TechPulse USA Newsroom — Mountain View, California | 15 October 2026 Two days after Google put its most capable AI model in paying users' hands, the story of Gemini 4 Argon has split in two. One half is the rollout Sundar Pichai announced on X: a frontier model, finally public, doing serious work inside Google's own engineering org. The other half is the fine print nobody put in the launch tweet — and it is the more interesting half. We pulled up Google's October 13 blog post and Artificial Analysis's live leaderboard side by side and read them line by line before writing a word of this. Rollout day two: what actually happened on October 13 The announcement came straight from Pichai's X account: "Gemini 4 Argon is here." The details underneath it matter more than the sentence. Argon went live globally for developers and enterprises in the paid tier of the Gemini API and the Gemini platform, for Ultra subscribers inside Google Antigravity, and ...