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According to a report by Jinse Finance, a person familiar with the matter revealed that OpenAI has completed a transaction allowing current and former employees to sell shares worth approximately $6.6 billion at a company valuation of $500 billion. This secondary transaction has pushed the valuation of the ChatGPT developer beyond that of Elon Musk’s SpaceX, making it the world’s most valuable startup. Previously, in a $40 billion funding round led by SoftBank Group, OpenAI was valued at $300 billion. The source stated that as part of the deal, OpenAI employees sold shares to a group of investors including Thrive Capital, SoftBank, Dragoneer Investment Group, Abu Dhabi’s MGX, and T. Rowe Price. The person requested anonymity as the information is not public.

ChainCatcher reported that the decentralized AI full-stack data layer Poseidon has released a lightweight whitepaper, announcing its commitment to building a full-stack supply and demand infrastructure for AI training data. Through subnets and modular data pipelines, global data providers can securely offer copyright-compliant AI training data via Poseidon. All data will be registered as programmable IP assets on the Story chain, enabling copyright traceability. At the same time, an incentive mechanism is provided so that data contributors can earn revenue. Poseidon aims to address the scarcity and long-tail issues of AI data, promoting open and sustainable AI development. Previously, the project launched the Poseidon App and, within two weeks, received over 30,000 hours of audio data contributed by global users. It also completed a $15 million seed round led by a16z crypto.