Z AI

Zai Org/GLM 5.1 FP8

Name: Zai Org/GLM 5.1 FP8
Brand: Z AI
Price: 0.979 USD
Availability: InStock

Zai Org/GLM 5.1 FP8 is a reasoning model by Z AI with function calling, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 203K token context window with up to 33K tokens of output. Priced at $0.979 per million input tokens and $3.08 per million output tokens. Access Zai Org/GLM 5.1 FP8 through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

→Function CallingReasoningResponse SchemareasoningCapabilityresponseFormatCapability

Use This Model

Step 1 — Create Router

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "name": "compare-frontier-models",
  "defaultRoute": {
    "route_id": "default",
    "variants": [
      {
        "variant": {
          "variant_id": "gmicloud/zai-org/GLM-5.1-FP8-a",
          "model_id": "gmicloud/zai-org/GLM-5.1-FP8"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "inworld/models/GLM-5.1-b",
          "model_id": "inworld/models/GLM-5.1"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "inworld/models/GLM-5.2-c",
          "model_id": "inworld/models/GLM-5.2"
        },
        "weight": 34
      }
    ]
  }
}'

import requests

response = requests.post(
    "https://api.inworld.ai/router/v1/routers",
    headers={
        "Authorization": "Basic <your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "name": "compare-frontier-models",
        "defaultRoute": {
            "route_id": "default",
            "variants": [
                {
                    "variant": {
                        "variant_id": "gmicloud/zai-org/GLM-5.1-FP8-a",
                        "model_id": "gmicloud/zai-org/GLM-5.1-FP8"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "inworld/models/GLM-5.1-b",
                        "model_id": "inworld/models/GLM-5.1"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "inworld/models/GLM-5.2-c",
                        "model_id": "inworld/models/GLM-5.2"
                    },
                    "weight": 34
                }
            ]
        }
    },
)
print(response.json())

const response = await fetch(
  "https://api.inworld.ai/router/v1/routers",
  {
    method: "POST",
    headers: {
      Authorization: "Basic <your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "compare-frontier-models",
      defaultRoute: {
        route_id: "default",
        variants: [
          {
            variant: {
              variant_id: "gmicloud/zai-org/GLM-5.1-FP8-a",
              model_id: "gmicloud/zai-org/GLM-5.1-FP8",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "inworld/models/GLM-5.1-b",
              model_id: "inworld/models/GLM-5.1",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "inworld/models/GLM-5.2-c",
              model_id: "inworld/models/GLM-5.2",
            },
            weight: 34,
          },
        ],
      },
    }),
  }
);
const data = await response.json();
console.log(data);

Step 2 — Chat Completion

curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "model": "inworld/compare-frontier-models",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

Zai Org/GLM 5.1 FP8 pricing and providers

Access Zai Org/GLM 5.1 FP8 through gmicloud via Inworld Router or Realtime API. By using the AI provider(s) below you acknowledge you reviewed and agree to their terms listed in the Legal section under the AI provider's name.

					Capabilities	Input modalities	Output modalities
gmicloud	202.8K	32.8K	$0.979	$3.08	+2

Other Z AI models available through Inworld

Compare Zai Org/GLM 5.1 FP8 with other Z AI models available through Inworld Router or Realtime API.

					Capabilities
Models/GLM 5.1	202.8K	32.8K	$0.95	$3.25	+2
Models/GLM 5.2	1M	131.1K	$1.20	$4.10	+2
Zai Org/GLM 4.7	202.8K	—	$0.40	$1.75	+2
Zai Org/GLM 4.7 Flash	202.8K	—	$0.06	$0.40	+2
Zai Org/GLM 5	202.8K	—	$0.60	$2.08	+2
Zai Org/GLM 5.1	202.8K	32.8K	$1.05	$3.50	+2
Zai Org/GLM 5.2	1M	131.1K	$1.40	$4.40	+2
Zai Org/GLM 5.2 FP8	1M	131.1K	$0.979	$3.08	+2

Start building with Zai Org/GLM 5.1 FP8

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