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GLM-5.2 is the new leading open weights model on Artificial Analysis
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GLM-5.2 has become the leading open weights model on the Artificial Analysis Intelligence Index, scoring 51. It matches the size of GLM-5.1 with 744 billion total parameters and 40 billion active parameters, but surpasses it by 11 points in the Intelligence Index v4.1.
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GLM-5.2 is the new leading open weights model on Artificial Analysis
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- Praise: GLM-5.2 offers Opus 4.7 quality at significantly lower prices, making advanced AI more accessible and competitive against major providers like OpenAI and Anthropic.
- Praise: The model's performance is close to frontier models, indicating a substantial leap in capabilities that could benefit a wide range of applications.
- Praise: GLM-5.2 Max shows similar reasoning behavior to Opus 4.8, suggesting that users can achieve high-quality outputs while reducing token usage by 2 to 2.5 times.
- Praise: The cost per task for GLM-5.2 is competitive, positioning it favorably on the intelligence vs. cost per task frontier, which could encourage broader adoption.
- Concern: Concerns about unofficial providers misconfiguring models or using stealth quantization could undermine trust in the accessibility of GLM-5.2.
- Concern: The model's reasoning efficiency is criticized, as it can take excessive time and tokens to produce outputs, which may hinder practical usability.
- Concern: While GLM-5.2 is capable, it is noted to be verbose and not as effective as GPT-5.5 in handling complex abstract requirements, highlighting areas for improvement.