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Checked Active: 2026-10-15
Zhipu (Z.ai)
GLM-5.3
Z.ai's open-weight flagship for agentic coding and repository-scale work. Text only.
Evaluation Analysis: Reasoning always on (low, high, max). Cached input $0.26. Also on Amazon Bedrock (launched Oct 5, 2026) and hosted by Mistral.
Context Window1M tokens (128K max output)
Input Price / 1M$1.40
Output Price / 1M$4.40
Release Date2026-10-05
Specs and prices checked 2026-10-15 against the official page.