The Open-Model Price War Has Reached the Agent Layer
from AI in Action
The open-model price war has reached the agent layer. Z.ai’s GLM-5.3-Flash is the clearest signal yet that the competition is no longer just about building the biggest model. It is about making useful intelligence cheap enough to run continuously inside real workflows. GLM-5.3-Flash is an open-weight, MIT-licensed mixture-of-experts model with 320 billion parameters and about 18 billion active at
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This episode was published on August 27, 2026.
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