Typical diffusion models cannot be conditioned on other modalities without retraining. This work presents a universal guidance algorithm that enables diffusion models to be controlled by arbitrary guidance modalities without the need to retrain any use-specific components.
Reddit is positioning AI-powered search as its next major growth opportunity. The company saw its Reddit Answers feature surging from 1 million to 15 million weekly users in 2025. Although Reddit's AI search is not yet monetized, the company called it "an enormous market and opportunity".
ElevenLabs raised $500 million at an $11 billion valuation, tripling its valuation from a year ago. The startup also reported $330 million in ARR from enterprise voice AI adoption, and ambitious plans to expand its presence in global markets as it builds momentum towards an eventual IPO.
Anthropic released Claude Opus 4.6 with "agent teams" that enable multiple agents to work in parallel on complex tasks, a 1 million token context window, and direct PowerPoint integration, expanding the model's appeal beyond software developers to knowledge workers across industries.
China's Moonshot AI released Kimi K2.5, an open source multimodal model with agent swarm technology that enables up to 100 sub-agents to work in parallel, alongside Kimi Code, a coding tool that rivals Anthropic's Claude Code.
Arcee AI, a 30-person US startup, released Trinity Large, a 400B-parameter open source model that rivals Meta's Llama 4 Maverick, addressing concerns about China's dominance in open-weight models and uncertainty around US companies' commitment to open source AI.
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