> ## Documentation Index > Fetch the complete documentation index at: https://docs.anyfast.com.cn/llms.txt > Use this file to discover all available pages before exploring further. # qwen3.8-flash > Qwen 模型 Qwen3.8-Flash — 请求与响应字段. ## OpenAPI ````yaml api-reference/model-api/alibaba/openapi/qwen3.8-flash/openapi.yaml POST /v1/chat/completions openapi: 3.1.0 info: title: Qwen3.8-Flash description: 通过 AnyFast OpenAI 兼容 Chat Completions 接口调用 Qwen3.8-Flash。 version: 1.0.0 servers: - url: https://www.anyfast.com.cn security: - bearerAuth: [] paths: /v1/chat/completions: post: summary: 对话补全 description: 使用准确的模型 ID `qwen3.8-flash` 创建对话补全。 operationId: createChatCompletionQwen38Flash requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/ChatCompletionRequest' example: model: qwen3.8-flash messages: - role: user content: 请只回复 OK。 max_completion_tokens: 1024 enable_thinking: false responses: '200': description: 请求成功。非流式返回完整响应；流式返回 Server-Sent Events。 content: application/json: schema: $ref: '#/components/schemas/ChatCompletion' example: id: chatcmpl-example object: chat.completion created: 1790000000 model: qwen3.8-flash choices: - index: 0 message: role: assistant content: OK finish_reason: stop logprobs: null usage: prompt_tokens: 40 total_tokens: 51 completion_tokens: 11 prompt_tokens_details: cached_tokens: 0 text_tokens: 40 text/event-stream: schema: type: string description: SSE 数据帧包含 ChatCompletionChunk 对象，以 [DONE] 结束。 '400': description: 请求参数无效 content: application/json: schema: $ref: '#/components/schemas/Error' '401': description: 未授权 content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: 无权访问 content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: 请求频率超限 content: application/json: schema: $ref: '#/components/schemas/Error' components: schemas: ChatCompletionRequest: type: object required: - model - messages properties: model: type: string const: qwen3.8-flash description: 准确的 AnyFast 公共模型 ID。 messages: type: array minItems: 1 items: $ref: '#/components/schemas/Message' max_completion_tokens: type: integer minimum: 1 maximum: 131072 description: 上游最大输出长度；实际可用输出长度还受上下文占用影响。 enable_thinking: type: boolean default: true description: 控制思考模式。使用 OpenAI SDK 时通过 extra_body 传递。 stream: type: boolean default: false stream_options: type: object description: 仅在 stream 为 true 时生效的流式选项。 properties: include_usage: type: boolean default: false description: 在最后一个 SSE 数据块中包含 Token 用量。 response_format: type: object description: 关闭思考模式后，已通过 AnyFast 国内站验证 JSON 对象输出。 required: - type properties: type: type: string enum: - json_object tools: type: array items: $ref: '#/components/schemas/Tool' tool_choice: type: string enum: - none - auto - required description: 控制是否必须调用函数。 ChatCompletion: type: object required: - id - object - created - model - choices - usage properties: id: type: string object: type: string const: chat.completion created: type: integer description: Unix 时间戳。 model: type: string const: qwen3.8-flash choices: type: array items: $ref: '#/components/schemas/Choice' usage: $ref: '#/components/schemas/Usage' Error: type: object required: - error properties: error: type: object required: - message properties: message: type: string type: type: string code: type: string param: type: - string - 'null' Message: type: object required: - role - content properties: role: type: string enum: - system - user - assistant - tool content: oneOf: - type: string - type: array items: $ref: '#/components/schemas/ContentPart' Tool: type: object required: - type - function properties: type: type: string const: function function: type: object required: - name - parameters properties: name: type: string description: type: string parameters: type: object additionalProperties: true Choice: type: object required: - index - message - finish_reason properties: index: type: integer message: $ref: '#/components/schemas/AssistantMessage' finish_reason: type: string enum: - stop - length - tool_calls - content_filter logprobs: type: - object - 'null' Usage: type: object required: - prompt_tokens - completion_tokens - total_tokens properties: prompt_tokens: type: integer completion_tokens: type: integer total_tokens: type: integer prompt_tokens_details: type: object properties: cached_tokens: type: integer text_tokens: type: integer image_tokens: type: integer video_tokens: type: integer completion_tokens_details: type: object properties: reasoning_tokens: type: integer text_tokens: type: integer ContentPart: oneOf: - type: object required: - type - text properties: type: type: string const: text text: type: string - type: object required: - type - image_url properties: type: type: string const: image_url image_url: type: object required: - url properties: url: type: string description: 可访问的 HTTPS URL 或 base64 数据 URI。 - type: object required: - type - video_url properties: type: type: string const: video_url video_url: type: object required: - url properties: url: type: string description: 可访问的 HTTPS URL 或 base64 数据 URI。 AssistantMessage: type: object required: - role - content properties: role: type: string const: assistant content: type: string reasoning_content: type: - string - 'null' description: 在实测的思考模式响应中出现。 tool_calls: type: array items: $ref: '#/components/schemas/ToolCall' ToolCall: type: object required: - id - type - function properties: id: type: string index: type: integer type: type: string const: function function: type: object required: - name - arguments properties: name: type: string arguments: type: string description: JSON 编码的函数参数。 securitySchemes: bearerAuth: type: http scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.