GLM-5.3's Fastest-Streaming Endpoints Take 18-26s to First Token, Slipping in New Benchmark
ArtificialAnlys · x · 2026-11-05
Artificial Analysis flags an oddity with GLM-5.3: its fastest-streaming endpoints take 18–26 seconds to return the first token, while most others start in 1–3 seconds. Under the new end-to-end timing methodology, that wait now counts toward total request time, dropping those endpoints down the speed rankings—a live example of decode-speed optimization coming at the cost of latency.
Related event: GLM-5.3 Suffers High Latency and Error Rates in New Benchmark Rankings(2 posts)→
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