The GLM-5.3-Flash free trial is drawing to a close, seamlessly transitioning to a special 10% price offer.

B.AI announces that the limited-time free trial for GLM-5.3-Flash is drawing to a close, seamlessly giving way to an exclusive promotional call rate at 10% of the original price starting September 12 at 10:00 SGT. Users will pay only 10% of the original cost, directly saving 90%, with input priced as low as $0.015/M and output as low as $0.05/M. As a native multimodal large model, GLM-5.3-Flash features 320B total parameters and 18B activated parameters, incorporating a hybrid architecture that combines sparse and linear attention with a 1M ultra-long context window, delivering strong performance across use cases such as programming and development, AI agents, long-context processing, and high-frequency API workloads.