AIZ.ai Launches GLM-5.3 API Scoring 60 on Index
Z.ai released the GLM-5.3 API optimized for coding and agentic work at the same price as GLM-5.2.
TLDR
Z.ai made the GLM-5.3 API available for coding, defensive cybersecurity, and long-horizon agentic tasks. The model reaches 60 on the Artificial Analysis Intelligence Index, matching Kimi K3 and rising 7 points from GLM-5.2. Artificial Analysis recorded gains on AA-Omniscience from 4 to 14 and accuracy from 23 percent to 34 percent. On the GDPval-AA v2 benchmark the score rose 246 Elo points to 1770. The API is live through the official endpoint and partner gateways. Weights remain unreleased.
