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Z.ai: GLM 5.3 Flash

Z.ai: GLM 5.3 Flash is a text model from Z-ai, with a 1.3M-token context window, priced at $0.15 in · $0.50 out / 1M. On Fully Informed you can add Z.ai: GLM 5.3 Flash to a multi-model panel, where it answers independently, debates the other models and gets cross-checked for blind spots.

Vendor Z-aiType Text1.3M contextPrice $0.15 in · $0.50 out / 1M
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GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
Related text models
Z.ai: GLM 4.5$0.60 in · $2.20 out / 1MZ.ai: GLM 4.5 Air$0.13 in · $0.85 out / 1MAnthropic: Claude Fable Latest$10.00 in · $50.00 out / 1MAnthropic: Claude Haiku Latest$1.00 in · $5.00 out / 1MAnthropic: Claude Opus Latest$5.00 in · $25.00 out / 1MAnthropic: Claude Sonnet Latest$2.00 in · $10.00 out / 1M
FAQ
What is Z.ai: GLM 5.3 Flash?
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
What is the context window of Z.ai: GLM 5.3 Flash?
Z.ai: GLM 5.3 Flash supports a 1.3M-token context window.
How much does Z.ai: GLM 5.3 Flash cost?
Z.ai: GLM 5.3 Flash is priced at $0.15 in · $0.50 out / 1M via OpenRouter.
What are alternatives to Z.ai: GLM 5.3 Flash?
Comparable text models include Z.ai: GLM 4.5, Z.ai: GLM 4.5 Air, Anthropic: Claude Fable Latest, Anthropic: Claude Haiku Latest.
Model data via OpenRouter. Browse all models · Run a panel on Fully Informed