AI Startup Ineffable Intelligence Secures $1.1 Billion Seed Funding, Valued at $5.1 Billion

On April 28, AI startup Ineffable Intelligence, founded by former Google DeepMind core researcher David Silver, announced it has completed a seed funding round of up to $1.1 billion, setting a record for the largest seed investment in European history. Founded at the end of 2025, the company achieved this funding within just a few months of its establishment, with a valuation of $5.1 billion. The funding round was co-led by Sequoia Capital and Lightspeed, with participation from investors including NVIDIA, DST Global, Index Ventures, as well as Google and the UK Sovereign AI Fund. Ineffable Intelligence will focus on reinforcement learning technology, allowing AI to learn from its own experiences rather than relying on human-provided training data. This approach contrasts with the majority of mainstream AI models that are based on training with web text and is seen as an important direction towards achieving higher-level artificial intelligence. (Dongxin News Agency)

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