GLM-5.3-Flash launches on Fireworks after 2-day delay for quality fix

lqiao · x · 2026-08-30

Zhipu's GLM-5.3-Flash is live on Fireworks. The launch was delayed by two days to fix an "over-thinking" issue in open-source engines that reduced token efficiency on reasoning benchmarks.

Related event: Fireworks Delays GLM-5.3-Flash Launch to Fix Overthinking(2 posts)→

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