Z.ai Cuts Token Prices 70% With 210B GLM-5.3, Threatening OpenAI’s Margins
The new GLM-5.3 model delivers 93.9% on GPQA Diamond and 86.2% on SWE-Bench Verified, yet costs just $0.30 per M input tokens and $0.90 per M output tokens—roughly 70% cheaper than OpenAI’s rates—forcing U.S. providers to reconsider pricing.