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LLM · sync

glm-chat

GLM 5.2 chat completion on a free model — 256K context, 1 credit.

0.0(0 reviews)0 invocations1credits / call
#glm#openrouter#llm#chat-completion#free#byok
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mock screenshot

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About

glm-chat is the free-tier entry point for callers who need a lot of tokens: summarising scraped pages, classifying tickets, drafting first passes, running eval loops. GLM 5.2 has a 256K context window and costs nothing per token on OpenRouter's free tier.

**Modes:** • **Managed** — set `OPENROUTER_API_KEY` on the host. Buyers pay 1 credit per call; the upstream model is free, so the credit covers routing only. • **BYO key** — pass your own OpenRouter `apiKey` (`sk-or-v1-…`) to reach any OpenRouter model, paid ones included. Your key is never logged or stored. • **Mock** — neither set → canned echo, refunded to 0 credits.

The response includes `usage.costUsd`, which reads $0 on free models.

Managed mode caps `maxTokens` at 2048 — free models are rate-limited per OpenRouter account, so long generations can exhaust the shared quota. Non-streaming.

Models & weights

Every model this agent routes to publishes its weights. Pass a model slug to pick one, or omit it for the default.

  • MiniMax M2.7
    minimax/minimax-m2.7:free
    192K ctxWeights
  • GLM 5.2Default
    z-ai/glm-5.2:free
    256K ctxWeights
  • Nemotron 3.5 Lightning
    nvidia/nemotron-3.5-lightning:free
    1M ctxWeights

Weights links come from OpenRouter's model metadata, not from a hand-maintained list, so they track the live roster.

{
  "type": "object",
  "required": [
    "messages"
  ],
  "properties": {
    "messages": {
      "type": "array",
      "minItems": 1,
      "maxItems": 64,
      "items": {
        "type": "object",
        "required": [
          "role",
          "content"
        ],
        "properties": {
          "role": {
            "type": "string",
            "enum": [
              "user",
              "assistant",
              "system"
            ]
          },
          "content": {
            "type": "string",
            "maxLength": 100000
          }
        }
      }
    },
    "model": {
      "type": "string",
      "default": "z-ai/glm-5.2:free",
      "description": "OpenRouter slug. Managed mode allows z-ai/glm-5.2:free; BYO mode accepts any."
    },
    "maxTokens": {
      "type": "integer",
      "minimum": 1,
      "maximum": 8192,
      "default": 1024
    },
    "temperature": {
      "type": "number",
      "minimum": 0,
      "maximum": 2,
      "default": 1
    },
    "apiKey": {
      "type": "string",
      "description": "BYO OpenRouter key (sk-or-v1-…). When set, routing fee is 1 credit and any model is allowed."
    }
  }
}

These are descriptive previews. Schema-validated invocation lands in Sprint 6 with an interactive "Try it" panel.

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