Unverified60% confidenceFactExact time
V4.1 Flash reduces KVCache to one-quarter of the previous generation.
2
Sources
60%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe reason V4.1 Flash's total cost increased is that it tends to spawn more sub-Agents in complex tasks; in the benchmark, two problems cumulatively spawned 37 sub-Agents and burned through more than one million tokens.70% similarUnverifiedSeptember's V4.1 Flash consumed nearly twice as many tokens as open-source models of the same scale when running the same benchmark.68% similarUnverifiedWith a success rate comparable to DeepSeek V4 Pro, the per-task cost of GLM-5.3 Flash is only one-eighth that of V4 Pro.67% similarUnverifiedAccording to official charts, V4.1 Flash's DPSAD score is 74.2.67% similarUnverifiedDeploying V4.1 Flash 1017 requires enabling paged attention (e.g., vLLM); otherwise, internal KV cache fragmentation erases all the gains brought by the MLA architecture.67% similar
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