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Alibaba

Qwen3.8 Flash

Name: Qwen3.8 Flash
Brand: Alibaba
Price: 0.16 USD
Availability: InStock

Qwen3.8 Flash is a reasoning model by Alibaba with function calling, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 1M token context window with up to 131K tokens of output. Priced at $0.16 per million input tokens and $0.47 per million output tokens, it is one of the most cost-efficient options in its class. Access Qwen3.8 Flash 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": "inworld/models/qwen3.8-flash-a",
          "model_id": "inworld/models/qwen3.8-flash"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "inworld/models/qwen3.8-27b-b",
          "model_id": "inworld/models/qwen3.8-27b"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "inworld/models/qwen3guard-gen-0-6b-int8-c",
          "model_id": "inworld/models/qwen3guard-gen-0-6b-int8"
        },
        "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": "inworld/models/qwen3.8-flash-a",
                        "model_id": "inworld/models/qwen3.8-flash"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "inworld/models/qwen3.8-27b-b",
                        "model_id": "inworld/models/qwen3.8-27b"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "inworld/models/qwen3guard-gen-0-6b-int8-c",
                        "model_id": "inworld/models/qwen3guard-gen-0-6b-int8"
                    },
                    "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: "inworld/models/qwen3.8-flash-a",
              model_id: "inworld/models/qwen3.8-flash",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "inworld/models/qwen3.8-27b-b",
              model_id: "inworld/models/qwen3.8-27b",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "inworld/models/qwen3guard-gen-0-6b-int8-c",
              model_id: "inworld/models/qwen3guard-gen-0-6b-int8",
            },
            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!"}]
}'

Qwen3.8 Flash pricing and providers

Access Qwen3.8 Flash through Inworld 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
Inworld	$0.16	$0.47	$0.016	—	1M	131.1K	+2

Prices in USD per 1M tokens.

Other Alibaba models available through Inworld

Compare Qwen3.8 Flash with other Alibaba models available through Inworld Router or Realtime API.

							Capabilities
Qwen3.8 27b	$0.40	$3.00	$0.04	—	262.1K	131.1K	+2
Qwen3guard Gen 0 6b Int8	$0.003	$0.222	$0.003	—	4.1K	—	—
Qwen2.5 72B Instruct	$0.36	$0.40	—	—	32.8K	32.8K
Qwen3 235B A22B Instruct 2507	$0.09	$0.55	—	—	262.1K	262.1K
Qwen3.8 2.4T A95B	$2.00	$6.00	$0.20	—	262.1K	131.1K	+2
Qwen3 VL 30B A3B Instruct	$0.15	$0.60	—	—	262.1K	—	+1