GLM-5.3-Prime

Name: GLM-5.3-Prime
Price: 2.8 USD
Author: Zhipu AI

Zhipu AI🇨🇳 China

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Context window1000K tokens

Input / 1M tokens$2.8

Output / 1M tokens$8.8

Pricing and context window via OpenRouter, 2026-11-12.

Version History

5.3-PrimeminorSeptember 23, 2026

GLM-5.3-Prime is a high-speed inference variant of GLM-5.3, delivering claimed 1.5-2x output throughput while retaining the same 1M-token context window and full capabilities. It targets coding and agentic workloads with always-on reasoning at low, high, or max effort.

Coverage

model release

Z.ai Releases GLM-5.3-Prime, a High-Throughput Variant of GLM-5.3 with 1M-Token Context

Z.ai has released GLM-5.3-Prime, a high-speed variant of its GLM-5.3 model that delivers 1.5-2x the output throughput through inference acceleration while retaining the full 1M-token context window. The model is priced at $2.80 per 1M input tokens and $8.80 per 1M output tokens, targeting coding and long-horizon agentic workloads.

September 23, 2026 · 10:20 PM2 min read

Z.ai GLM-5.3 GLM-5.3-Prime