Z.ai launches GLM-Legal: 19.17% on Harvey LAB at 1/128 the cost of Claude Fable 5

Z.ai released GLM-Legal, a legal AI model built on GLM-5.3-Flash (320B total, 18B active, 1M-token context). It scores 19.17% on Harvey's Legal Agent Benchmark versus 6.67% for its base model, ranking #7 of 79 on Vals AI and beating Kimi K3 and Claude Fable 5 at $0.15 per test. Access is application-only with no public weights.

• 19.17% on Harvey LAB vs 6.67% for base GLM-5.3-Flash
• #7 of 79 on Vals AI, ahead of Kimi K3 and Claude Fable 5
• $0.15 per test vs $19.23 for Claude Fable 5
• Application-only access, no published price or weights