Open-weight AI models like GLM-5.2 are now production-ready for GTM engineering

The Gist

• GLM-5.2 benchmarks near Claude Opus 4.8 and above GPT-5.5 on SWE Bench Pro
• Open-weight models let teams avoid vendor lock-in and control costs at scale
• Getting GLM-5.2 running in Cursor and Claude Code took under an hour