Writer

Enterprise AI · Generative AI · AI Agents

Launch

Writer launches Palmyra X6, cutting AI agent costs by 52%

The model is a post-trained version of an open-source Chinese model, letting Writer undercut frontier labs that profit from higher token usage.

• Writer launched Palmyra X6, its new flagship AI model, alongside an upgraded agent harness and new governance tools for enterprise AI spend, on August 13, 2026.
• Writer builds AI tools and autonomous agents for marketing and revenue teams, with enterprise customers including Accenture, Uber, and Vanguard.
• Palmyra X6 is a post-trained version of Z.ai's open-source GLM-5.2 model, priced at $2 per million input tokens and $8 per million output tokens versus $15/$75 for Claude Opus 4.8.
• Writer's agent system now completes a task for $0.12 on average, down from $0.25, with execution time falling from 50 seconds to 26 seconds per task.
• On Writer's nine-category production benchmark, Palmyra X6 scored 0.87, narrowly ahead of Claude Opus 4.8 (0.86), Claude Sonnet 4.6 (0.85), GPT-5.5 (0.80), and Gemini 3.1 (0.77).
• Writer's own research found that optimizing the 'harness' — the orchestration layer managing multi-step agent tasks — cut costs by an average of 40% across models, often more reliably than switching models entirely.
• The release signals enterprise AI competition is shifting from chasing benchmark scores to cost-per-task economics as companies move agents from pilots into production at scale.