Writer launches Palmyra X6 model aiming for 50% cost reduction for enterprises

Writer, an AI platform for marketers, launched its new flagship model Palmyra X6, based on Z.ai's open-source GLM-5.2, focused on reducing inference costs. The company says combined improvements to the model and execution harness infrastructure can cut customer costs by up to 50% for basic tasks. CEO May Habib stated enterprises are tired of chasing benchmarks and seeking predictable costs. The company also released significant upgrades to its agentic harness, with internal research showing that harness efficiency improvements can reduce costs by an average of 40% regardless of model choice.