{
  "name": "Z.AI (Zhipu)",
  "url": "https://z.ai",
  "free_type": "Rate-limited free",
  "notes": "Free-tier limits revised twice in the past year - verify. Peak-hour throttling. Flash models are free regardless of tier. OpenAI-compatible.",
  "timeout": "Not published",
  "verified": "2026-08-30",
  "models": [
    {
      "name": "GLM-5.1",
      "cost": "$0",
      "context": "Up to 203K",
      "rpm": "3 (burst)",
      "tpm": "Not published",
      "rpd": "1,000 (1K RPD tier)",
      "tpd": "Not published",
      "verified": "2026-08-30"
    },
    {
      "name": "GLM-4.5-Flash",
      "cost": "$0",
      "context": "Up to 203K",
      "rpm": "3 (burst)",
      "tpm": "Not published",
      "rpd": "1,000",
      "tpd": "Not published",
      "verified": "2026-08-30"
    },
    {
      "name": "GLM-4.7-Flash",
      "cost": "$0",
      "context": "Up to 203K",
      "rpm": "3 (burst)",
      "tpm": "Not published",
      "rpd": "1,000",
      "tpd": "Not published",
      "verified": "2026-08-30"
    },
    {
      "name": "GLM-4.6V-Flash (vision)",
      "cost": "$0",
      "context": "Up to 203K",
      "rpm": "3 (burst)",
      "tpm": "Not published",
      "rpd": "1,000",
      "tpd": "Not published",
      "verified": "2026-08-30"
    }
  ],
  "verified_method": "docs",
  "access_method": "api_key",
  "artifact": "code"
}