Gemini 3 Pro Image Preview API

line1

https://cn2us02.opapi.win

POST

/v1/chat/completions

注：将 body.omg_extra_body.gemini_b64img_upload_enabled 设置为true，可以让返回的Base 64改成图像URL，图像URL有效期14天。

请求参数

Authorization

在 Header 添加参数

Authorization

，其值为在 Bearer 之后拼接 Token

示例：

Authorization: Bearer ********************

Body 参数application/json必填

示例

返回响应

🟢200成功

application/json

Body

请求示例

Shell

JavaScript

Java

Swift

curl --location --request POST 'https://cn2us02.opapi.win/v1/chat/completions' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "vertex-gemini-3-pro-image-preview",
    "messages": [
        {
            "role": "user",
            "content": [
                {
                    "type": "text",
                    "text": "基于这个图片生成一套二次元表情包"
                },
                {
                    "type": "image_url",
                    "image_url": {
                        "url": "https://pi.dogenet.work/api/v1/f/pub/jAmKdzrMRHrXF7RCG-NdR1"
                    }
                }
            ]
        }
    ],
    "stream": true
}'

响应示例

Stream Example

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "content": "",
                "role": "assistant"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "reasoning_content": "**Developing Animated Emotes**\n\nI am now focused on generating a set of animated emotes featuring a blue-haired anime girl. I'm ensuring the character maintains her signature blue hair, double hair clips, sailor uniform, and blue eyes. The current plan is to create six distinct expressions.\n\n\n"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "reasoning_content": "**Considering Emote Characters**\n\nI'm working on integrating the provided character's features into the emotes. The goal is to keep the blue hair, hair clips, uniform, and blue eyes consistent. I'm aiming for six distinct expressions.\n\n\n"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "reasoning_content": "**Confirming the Manifestation**\n\nI am verifying that the generated meme set adheres to the specified criteria. The character's transformation into a cohesive anime-style meme set appears successful. The expressions (happy, surprised, sad, angry, shy, and confused) are all accounted for, accompanied by text and cute stickers. I will now rigorously assess the particulars.\n\n\n"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "reasoning_content": "**Analyzing the Output**\n\nI'm assessing how well the meme set aligns with the initial request. The conversion seems complete, accurately capturing the character's core traits in the anime style. I am checking to make sure that each emotion (happy, surprised, sad, angry, shy, and confused) is rendered correctly with associated text and stickers. I'm now verifying the final results.\n\n\n"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {
                "content": "![image](data:image/png;base64,iVBORxxxx........)"
            },
            "logprobs": null,
            "finish_reason": null,
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": null,
    "choices": [
        {
            "delta": {},
            "logprobs": null,
            "finish_reason": "stop",
            "index": 0
        }
    ],
    "usage": null
}

data: {
    "id": "chatcmpl-20251209153731610783868KCHZKZG",
    "object": "chat.completion.chunk",
    "created": 1765265876,
    "model": "gemini-3-pro-image-preview",
    "system_fingerprint": "",
    "choices": [],
    "usage": {
        "prompt_tokens": 538,
        "completion_tokens": 1367,
        "total_tokens": 1905,
        "prompt_tokens_details": {
            "cached_tokens": 0,
            "text_tokens": 538,
            "audio_tokens": 0,
            "image_tokens": 0
        },
        "completion_tokens_details": {
            "text_tokens": 0,
            "audio_tokens": 0,
            "reasoning_tokens": 247
        },
        "input_tokens": 0,
        "output_tokens": 0,
        "input_tokens_details": null,
        "claude_cache_creation_5_m_tokens": 0,
        "claude_cache_creation_1_h_tokens": 0
    }
}

data: [DONE
]

修改于 2025-12-09 09:17:14

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