mingyan

OpenAI Chat API

OpenAI-compatible chat interface for Chat Completions integrations

POST/gw_llm_power/v1/chat/completions

baseUrlhttp://apillm.globalaiopc.com/gw_llm_power

Compatible with the OpenAI official documentation. You can integrate directly with the following reference:

OpenAI Chat Completions: https://platform.openai.com/docs/api-reference/chat/create

Authentication

Get Key

Use the Authorization header for authentication.

Required headers:

cURL

Authorization: Bearer {{YOUR_API_KEY}}
Content-Type: application/json

Notes:

Authorization: API key in the format Bearer {{YOUR_API_KEY}}

Supported Models

The following models are supported, organized by model family and version type:

Claude

Full Version	Official Version	AWS Version	Account Pool / Proxy Version
`claude-haiku-4-5`	`claude-haiku-4-5-official`	`claude-haiku-4-5-hc`	`claude-haiku-4-5-fd`
`claude-opus-4-5`	`claude-opus-4-5-official`	`claude-opus-4-5-hc`	`claude-opus-4-5-fd`
`claude-opus-4-6`	`claude-opus-4-6-official`	`claude-opus-4-6-hc`	`claude-opus-4-6-fd`
`claude-opus-4-7`	`claude-opus-4-7-official`	`claude-opus-4-7-hc`	`claude-opus-4-7-fd`
`claude-sonnet-4-5`	`claude-sonnet-4-5-official`	`claude-sonnet-4-5-hc`	`claude-sonnet-4-5-fd`
`claude-sonnet-4-6`	`claude-sonnet-4-6-official`	`claude-sonnet-4-6-hc`	`claude-sonnet-4-6-fd`

Gemini

Standard / Stable Version	Official Version	Low-cost Version
`gemini-2.5-flash-lite`	-	-
`gemini-2.5-pro`	`gemini-2.5-pro-official`	`gemini-2.5-pro-low`
`gemini-3-flash-preview`	`gemini-3-flash-preview-official`	`gemini-3-flash-preview-low`
`gemini-3.1-flash-lite-preview`	-	-
`gemini-3.1-pro-preview`	`gemini-3.1-pro-preview-official`	`gemini-3.1-pro-preview-low`

GPT

Official Version	Official Version	Premium Account Pool	Mixed Account Pool / Proxy Version	Low-cost Version
`gpt-5.4`	`gpt-5.4-official`	`gpt-5.4-hc`	`gpt-5.4-fd`	`gpt-5.4-low`
`gpt-5.5`	`gpt-5.5-official`	`gpt-5.5-hc`	`gpt-5.5-fd`	`gpt-5.5-low`

Version Notes

Suffix / Type	Description
no suffix	Official version
`-official`	Official version
`-hc`	AWS version or premium account pool version
`-fd`	Account pool / proxy version
`-low`	Low-cost version

Multimodal Support

Image Analysis

All models support image analysis.

Video Analysis

Only the following models support video analysis:

gemini-2.5-flash-lite
gemini-2.5-pro
gemini-2.5-pro-official
gemini-2.5-pro-low
gemini-3-flash-preview
gemini-3-flash-preview-official
gemini-3-flash-preview-low
gemini-3.1-flash-lite-preview
gemini-3.1-pro-preview
gemini-3.1-pro-preview-official
gemini-3.1-pro-preview-low

Request Parameters

modelstringrequired

Model name to use, for example: gpt-5.4, gpt-5.5, claude-opus-4-7

messagesarrayrequired

Conversation message array. Each message object usually contains role and content

temperaturenumber

Sampling temperature to control output randomness. Recommended range is 0 to 2

top_pnumber

Nucleus sampling parameter. It is recommended to tune either temperature or top_p, not both

streamboolean

Whether to enable streaming responses. When set to true, the response is returned as SSE and ends with data: [DONE]

max_completion_tokensinteger

Maximum output token count

stopstring/array

Stop sequence(s). Can be a string or an array

Messages Array Structure

rolestringrequired

Message role. Supported values: system, user, assistant

contentstring/arrayrequired

Message content. Can be a plain text string or an OpenAI-compatible multimodal array

Response

Returns an OpenAI-compatible response format.

idstring

Unique identifier for the chat request

objectstring

Object type, usually chat.completion

createdinteger

Response creation timestamp

modelstring

Actual model name used

choices[].message.rolestring

Model response role, usually assistant

choices[].message.contentstring

Generated text content

usage.prompt_tokensinteger

Input token count

usage.completion_tokensinteger

Output token count

usage.total_tokensinteger

Total token count

Notes

The request base path is http://apillm.globalaiopc.com/gw_llm_power
Pass the API key using the Authorization header
Streaming responses use SSE and end with data: [DONE]