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Y Combinator partnered with nearly two dozen companies to offer students at YC events over $20,000 in combined cloud credits and AI tool access. The YC AI Stack includes credits on Azure, AWS, GPT, Claude, Grok, and 14 YC-backed companies' services covering voice, video generation, web crawling, and databases. Students attending YC university events starting Fall 2025 become eligible to redeem the credits and build AI applications without upfront costs.
Listen Labs raised $69 million in Series B funding led by Ribbit Capital to scale its AI-powered customer interview platform. The company achieved annualized revenue of eight figures within nine months of launch and has conducted over one million AI interviews across a global network of 30 million participants. The funding values Listen Labs at $500 million and will support expansion of its platform, which aims to replace traditional market research by delivering customer insights in hours rather than weeks.
Researchers introduced D4RT, an AI model that reconstructs dynamic 3D scenes from 2D video by tracking objects through space and time as a unified system rather than using separate specialized models. The model processes one-minute videos in roughly five seconds on a single TPU chip, performing 18x to 300x faster than previous methods that required up to ten minutes for the same task. This efficiency enables real-time applications in robotics and augmented reality that previously required too much computational power for practical use.
OpenAI plans to introduce advertising in ChatGPT's free and Go tiers in the United States as a way to fund expanded access to the service globally. The company has not yet specified an advertising timeline or format, though it emphasizes maintaining privacy protections and answer quality standards. Revenue from ads would help OpenAI subsidize free access for users who cannot afford paid subscriptions.
OpenAI launched ChatGPT Go, a new tier providing worldwide access to GPT-5.2 Instant with higher usage quotas and extended memory capabilities. The service increases usage limits while reducing costs compared to existing plans. Users can now access advanced AI features at lower price points across all regions.
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