Vercel: GLM 5.3 FlashX on AI Gateway at ~200 tok/s for coding agents
Vercel’s Sept 18 changelog adds Z.ai’s GLM 5.3 FlashX to AI Gateway at about 200 tokens per second for faster agent loops and streamed replies. Wire it up in Claude Code, Codex, or Hermes with npx vercel ai-gateway setup and model id zai/glm-5.3-flashx.