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Alibaba released HappyHorse 1.1, a major AI video generation model upgrade now available via API, rising to No. 2 in global rankings as competitors Sora and Seedance faltered.
Anthropic unveils a withheld Claude Mythos model that autonomously finds thousands of 0-days, ZAI open-sources the 1.5 TB GLM-5.1 that tops open-weight benchmarks, Alibaba’s unreleased HappyHorse video model hits #1 on public leaderboards, and Deepseek teases an “Expert Mode” v4 preview.