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GLM 5.3

GLM 5.3 delivers comprehensive advancements in complex software engineering and agent capabilities. It uses the same base model as GLM-5.2, with all improvements driven by post-training. Your use is subject to Z.AI's Terms & Privacy Policies.

ReasoningTool UseImplicit Caching
Use with AI GatewayView docs
import { streamText } from 'ai'


const result = streamText({
  model: 'zai/glm-5.3',
  prompt: 'Why is the sky blue?'
})
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OverviewAPIProvidersThroughputLatencyUptimeStatusSimilar

Copy link to headingLatency

P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.