The latest iteration in Chinese AI lab Moonshot AI’s Kimi model series is anticipated to perform on par with, or potentially exceed, Anthropic’s Opus 4.8, according to a report by the Financial Times that cites anonymous sources.
Moonshot AI’s previous Kimi K2 models have already garnered significant acclaim within the open-source AI market. They have achieved high rankings on various benchmarks and demonstrated capabilities that position them remarkably close to the cutting-edge frontier models currently available.
The company’s upcoming release, named Kimi K3, is poised to further bridge the performance gap with closed-source models from prominent developers such as OpenAI and Anthropic. The Financial Times reports that Kimi K3 is set to be China’s largest open-weight AI model, boasting an impressive parameter count estimated between 2 trillion and 3 trillion, with its release expected “in the coming days.”
Concurrently, Moonshot AI is reportedly in the process of securing new capital in a funding round that could value the company at $31.5 billion. This follows a successful May funding round where the company raised $2 billion, achieving a valuation of $20 billion.
This development unfolds against a backdrop of renewed industry debate concerning the value proposition of investing in expensive, closed-source models from AI labs like OpenAI and Anthropic. A growing apprehension among industry leaders is the potential for these AI labs to inadvertently or intentionally extract client data submitted for use with their proprietary AI products, such as ChatGPT and Claude.
In response, executives are actively promoting their own alternative products or advising companies to adopt more cost-effective open-source models—including those developed by DeepSeek, Z.ai, or Moonshot—and customize them for their specific operational needs. This perspective has gained considerable traction, particularly as open models originating from China increasingly rival the capabilities of their more expensive, frontier counterparts.
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