Writer, the enterprise AI company, has launched Palmyra X6, its new flagship model, alongside an upgraded “harness” built to do something the industry has been curiously reluctant to promise: spend fewer tokens.
The model is a post-training variation on Z.ai’s open-source GLM-5.2, and it is available to Writer’s clients from today.
The pitch arrives at a nervy moment. As agentic AI quietly multiplies the steps, and therefore the tokens, behind every task, enterprise bills have started to sting.
Writer is wagering that a cost backlash has arrived, and it is far from alone in scenting the opportunity, with Baseten raising $1.5bn on the theory that AI’s profits lie in cheap inference.
A harness, in Writer’s telling, is the orchestration layer wrapped around a model, the machinery that decides how a multi-step agent actually executes each request.
