THE OPEN-PREM
INFLECTION POINT V2
(DECEMBER 2025 UPDATE)
When Open-Source LLMs Achieve Frontier Parity
This is the December 2025 update to the Open-Prem Inflection Point framework, documenting the moment open-source models achieved genuine frontier parity with proprietary systems. Two landmark releases, DeepSeek V3.2 and Zhipu AI's GLM-4.6, now match or surpass GPT-5 and Gemini-3.0-Pro. DeepSeek V3.2-Speciale achieved gold medals at the 2025 International Mathematical Olympiad and International Olympiad in Informatics. GLM-4.6 is the only frontier-scale model (355B parameters) available under MIT license, enabling enterprises to self-host without vendor lock-in. Cost savings have expanded to 80-90% at API level and 95%+ with self-hosting at scale.
WHAT CHANGED IN V2: DECEMBER 2025 UPDATE
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DeepSeek V3.2 matches GPT-5 performance while reducing inference costs by 70% through DeepSeek Sparse Attention.
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GLM-4.6 delivers Claude Sonnet 4-level coding performance with 90% lower API costs and full self-hosting capability.
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Both models are MIT-licensed, enabling complete enterprise control over AI infrastructure and data sovereignty.
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Cost comparison updated: DeepSeek V3.2 API at $0.27/$1.10 per million tokens versus GPT-5 at $2.50/$10.00 and Claude Sonnet 4.5 at $3.00/$15.00.
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Self-hosted GLM-4.6 achieves $0.05-$0.20 per million tokens.
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Chinese open-source AI models now account for 17% of global downloads.
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Hardware economics continue improving: dual RTX 5090 configurations match H100 performance at 25% of the cost.
ABOUT THE AUTHOR
David Borish is an Enterprise AI Strategist with 25 years of experience across technology (AI), CPG, sports tech, and finance. He created the Open-Prem Inflection Point framework and delivers the Open-Prem Strategy Accelerator workshop in partnership with IBM. He is the author of "The Tony Hawk Paradox: When Video Games Predict Reality," a book on simulation theory and the pattern of video games predicting real-world capability​
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Last Updated: December 1st, 2025
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Related: Link to Open-Prem V2 | Link to Open-Prem V1 | Open-Prem Workshop | Link to All Papers | Speaking ​| Link to Exponential Replacement Curve | Link to Exponential Replacement Curve V2