GLM-5.2 API Tutorial: Build With Z.ai’s 1M-Token Model

Z.ai’s GLM-5.2 arrived in mid-June 2026 with the kind of spec sheet that makes coding-agent people briefly forget their backlog: 1 million tokens of context, 128K maximum output, OpenAI-compatible API calls, tool use, streaming, structured output, MCP support, and official…








