Chinese AI company Moonshot AI is preparing to release Kimi K3, a new open-weight model that is expected to match or outperform Anthropic’s Opus 4.8, the Financial Times reported, citing anonymous sources.
The model is expected to be released “in the coming days” and could become the largest open-weight AI model developed in China, with a reported parameter count of between 2 trillion and 3 trillion.
The claims have not been confirmed by Moonshot.
Building on Kimi K2
Moonshot’s Kimi K2 models have gained attention in the open-source AI market, placing highly in benchmark tests and showing performance close to some leading proprietary systems.
Kimi K3 is expected to extend that progress and narrow the performance gap with closed-source models developed by companies including OpenAI and Anthropic.
Reported details include:
- A parameter count of between 2 trillion and 3 trillion
- An open-weight release
- Performance expected to rival or exceed Anthropic’s Opus 4.8
- A possible launch within days
Moonshot seeks fresh funding
Moonshot is also reported to be raising new capital at a valuation of $31.5 billion.
The company raised $2 billion in May at a $20 billion valuation, according to the source.
Open-source models gain attention
The reported launch comes as companies reassess the cost and data risks associated with using proprietary AI systems from providers such as OpenAI and Anthropic.
Some industry executives have promoted their own products as alternatives or recommended that businesses use lower-cost open-source models and adapt them for internal needs.
Models developed by DeepSeek, Z.ai and Moonshot are among those being considered for that approach.
TL;DR:
Moonshot AI’s Kimi K3 is reportedly set to launch within days with 2 trillion to 3 trillion parameters. The Financial Times said the open-weight model could match or surpass Anthropic’s Opus 4.8.
Key points:
- Kimi K3 is expected to be Moonshot AI’s next open-weight model.
- The model could contain between 2 trillion and 3 trillion parameters.
- The Financial Times reported that it may rival or outperform Anthropic’s Opus 4.8.
- Moonshot is also said to be raising funds at a $31.5 billion valuation.
- The company raised $2 billion in May at a $20 billion valuation.
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