Chinese AI Startup Moonshot Releases Open-Source Model That Claims to Outperform GPT-5
7 Sources
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A new Chinese AI model claims to outperform GPT-5 and Sonnet 4.5 - and it's free
The global AI arms race stays in constant flux, this time thanks to the arrival of a new model from the up-and-coming Chinese AI lab Moonshot. Also: Why open source may not survive the rise of generative AI On Thursday, the Beijing-based company released Kimi K2 Thinking, a reasoning model that
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Alibaba-backed Moonshot releases its second AI update in four months as China's AI race heats up
Alibaba-backed Chinese startup Moonshot has launched one of the more popular generative AI chatbots called Kimi. Chinese startup Moonshot on Thursday released its latest generative artificial intelligence model which claims to beat OpenAI's ChatGPT in "agentic" capabilities -- or understanding
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Moonshot's open source Kimi K2 Thinking outperforms GPT-5, Claude Sonnet 4.5
Even as concern and skepticism grows over U.S. AI startup OpenAI's buildout strategy and high spending commitments, Chinese open source AI providers are escalating their competition and one has even caught up to OpenAI's flagship, paid proprietary model GPT-5 in key third-party performance
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Capitalism Built OpenAI, Constraints Helped China Defeat It | AIM
The estimated cost of developing the Kimi K2 Thinking AI model was around $4.6 million. China is breathing down OpenAI's neck. Alibaba-backed Moonshot AI has launched a new model, Kimi K2 Thinking, which outperforms OpenAI's GPT-5 and Anthropic's Claude Sonnet 4.5 on several key benchmarks.
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Moonshot launches open-source 'Kimi K2 Thinking' AI with a trillion parameters and reasoning capabilities - SiliconANGLE
Moonshot launches open-source 'Kimi K2 Thinking' AI with a trillion parameters and reasoning capabilities Chinese startup Beijing Moonshot AI Co. Ltd. Thursday released a new open-source artificial intelligence model, named Kimi 2 Thinking, that displays significantly upgraded tool use and agentic
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AI race heats up as Chinese start-up Moonshot launches Kimi K2 Thinking
The launch comes amid a period of increased tensions between the US and China regarding control of the global AI and chip sectors. Moonshot AI, an Alibaba-backed Chinese start-up launched in 2023, has issued an update to its open-source large language model Kimi 2, with the release of the Kimi K2
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Kimi K2 Thinking Crushes GPT-5, Claude 4.5 Sonnet in Key Benchmarks | AIM
The model's architecture activates 32 billion parameters per inference out of a total of one trillion parameters and supports up to 2,56,000 token context windows. Moonshot AI, a Chinese startup backed by Alibaba, released its latest AI model, Kimi K2 Thinking, on November 6. The model surpassed
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Beijing-based Moonshot AI has released Kimi K2 Thinking, an open-source reasoning model that reportedly outperforms OpenAI's GPT-5 and Anthropic's Claude Sonnet 4.5 on key benchmarks, costing only $4.6 million to train compared to billions spent by US competitors.
Chinese AI Startup Challenges US Dominance with Revolutionary Open-Source Model
Beijing-based AI startup Moonshot has released Kimi K2 Thinking, an open-source reasoning model that claims to outperform leading proprietary AI systems from OpenAI and Anthropic
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. The model, released on Thursday, reportedly surpasses GPT-5 and Claude Sonnet 4.5 on several key benchmarks while being freely available to developers worldwide.
Source: Silicon Republic
Technical Specifications and Performance Metrics
Kimi K2 Thinking is built as a Mixture-of-Experts (MoE) model with approximately 1 trillion parameters, of which 32 billion activate per inference
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. The model demonstrates exceptional performance across multiple evaluation metrics, achieving 44.9% on Humanity's Last Exam, 60.2% on BrowseComp, and 71.3% on SWE-Bench Verified3
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Source: SiliconANGLE
The model's architecture enables it to execute 200 to 300 sequential tool calls without human intervention, combining long-horizon planning with adaptive reasoning capabilities
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. This allows K2 Thinking to decompose complex, open-ended problems into actionable subtasks while continuously generating and refining hypotheses.Cost-Effective Development Challenges Industry Norms
Perhaps most significantly, Moonshot developed K2 Thinking for approximately $4.6 million, a fraction of the billions spent by leading US AI companies
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. This cost efficiency mirrors similar achievements by other Chinese AI companies, with DeepSeek's V3 model reportedly costing $5.6 million to develop5
.The model supports INT4 inference through Quantization-Aware Training (QAT), enabling it to run efficiently on less powerful hardware while maintaining state-of-the-art accuracy
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. This technical innovation allows for doubled inference speed without degrading performance quality.Related Stories
Open-Source Licensing and Commercial Implications
Moonshot has released K2 Thinking under a Modified MIT License, granting full commercial and derivative rights with one notable restriction: deployments serving over 100 million monthly active users or generating over $20 million monthly revenue must display "Kimi K2" prominently on their user interface
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.The open-source nature of K2 Thinking challenges the prevailing business model of proprietary AI subscriptions that has dominated the market since ChatGPT's launch
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. Some US companies, including Airbnb, have already begun preferring Chinese AI tools over American alternatives, citing superior performance and lower costs.Geopolitical and Industry Impact
The release comes amid growing concerns about China's position in the global AI race. NVIDIA CEO Jensen Huang recently warned that China could lead the AI sector, citing the country's lower energy costs, lighter regulations, and government subsidies
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. Huang has criticized US export controls on AI chips to China, arguing that restrictions have accelerated Chinese companies' development of alternatives.
Source: AIM
Hugging Face CEO Clement Delangue celebrated the launch, declaring "The AI frontier is open-source!" following K2 Thinking's release
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. The model's availability on platforms like Hugging Face and kimi.com provides developers worldwide with access to frontier-level AI capabilities without subscription fees.References
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