Chat（Analyze image）

POST

/chat/completions

supports the following models:
gemini-exp-1114
gemini-exp-1121
gemini-exp-1206
gemini-2.0-flash-exp
gemini-2.0-flash-thinking-exp-1219
gemini-2.0-flash-thinking-exp-01-21
gemini-2.0-flash
gemini-2.0-flash-lite-preview-02-05
gemini-2.5-pro-exp-03-25
gemini-2.5-pro-preview-03-25
gemini-2.5-flash-preview-04-17
gemini-2.5-pro-preview-05-06
gemini-2.5-pro-preview-05-06-thinking（Demonstrate thought process）
gemini-2.5-flash-preview-05-20
gemini-2.5-flash-preview-05-20-nothink（Force close thinking）
gemini-2.5-pro-preview-06-05
gemini-2.5-pro-preview-06-05-thinking（Demonstrate thought process）
gemini-2.5-pro
gemini-2.5-flash
gemini-2.5-flash-lite-preview-06-17
gemini-3-pro-preview

Note: 302.AI modified the API format to be compatible with OpenAI's API format

Price List：https://302.ai/price

Request

Header Params

Body Params application/json

Example

{
  "model": "gemini-3-pro-preview",
  "stream": false,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "What's in this picture"
        },
        {
          "type": "image_url",
          "image_url": {
            "url": "https://s2.loli.net/2024/02/01/QSWVdw9bX56gj7O.jpg"
          }
        }
      ]
    }
  ]
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.302.ai/v1/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
  "model": "gemini-3-pro-preview",
  "stream": false,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "What'\''s in this picture"
        },
        {
          "type": "image_url",
          "image_url": {
            "url": "https://s2.loli.net/2024/02/01/QSWVdw9bX56gj7O.jpg"
          }
        }
      ]
    }
  ]
}'

Responses

🟢200OK

application/json

Body

Example

{
    "id": "chatcmpl-123",
    "object": "chat.completion",
    "created": 1677652288,
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "\n\nHello there, how may I assist you today?"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 9,
        "completion_tokens": 12,
        "total_tokens": 21
    }
}

Modified at 2025-12-17 06:00:40

Chat（Talk）

Chat（Image Generation）