Z.ai
GLM-5.3: China's open model matches the best, with no price hike
🧒 Discovery
In China, a very clever new robot just came out, and it costs no more than the old one: like a brand-new backpack sold at last year's price.
📰 Essential
Chinese startup Z.ai releases GLM-5.3, available through its API at $1.40 per million input tokens and $4.40 for output, tied with Kimi K3 at the top of open models according to Artificial Analysis.
🔬 Expert
At unchanged prices, $1.40 per million input tokens and $4.40 for output, GLM-5.3 reaches an Artificial Analysis score of 60, level with Kimi K3, with strong results in cybersecurity and agent tasks. Cached input at $0.26 adds pricing pressure on proprietary models; the weights remain open.