Google: Gemini 3.1 Flash Image (Nano Banana 2)
google-ai.image-gen.gemini-3-1-flash-imageGenerate or edit one image with Gemini 3.1 Flash Image at 512px, 1K, 2K or 4K on Google's own API, from a prompt and optional reference images; the image returns inline as base64.
- 价格
- $0.165/success按供应商原价
- 成功率
- 99.2%近 30 天 · 1,058 次
- 延迟 p50
- 11 秒p95 23 秒
- 最后验证
- 2026年9月30日实测可用
POSThttps://toolswitch.dev/v1/tools/google-ai.image-gen.gemini-3-1-flash-image?fields=candidates%28content%28parts%28text%2CinlineData%29%29%2CfinishReason%29%2CusageMetadata%2CmodelVersion%2CresponseId%2CpromptFeedback预览- 可用平台额度调用
- 同步返回
- 读取公开数据
参数
| 参数 | 类型 | 必填 | 说明 | 示例 |
|---|---|---|---|---|
| 路径参数 | ||||
model | 字符串 | 必填 | gemini-3.1-flash-image is the stable model; the -preview alias is the same model at the same price. | gemini-3.1-flash-image |
| 查询参数 | ||||
fields | 字符串 | 可选 | Google's partial-response mask; the example drops the multi-megabyte thoughtSignature. Keep usageMetadata in any mask you send. | candidates(content(parts(text,inlineData)),finishReason),usageMetadata,modelVersion,responseId,promptFeedback |
- 路径参数
model字符串必填gemini-3.1-flash-image is the stable model; the -preview alias is the same model at the same price.
示例：
gemini-3.1-flash-image- 查询参数
fields字符串可选Google's partial-response mask; the example drops the multi-megabyte thoughtSignature. Keep usageMetadata in any mask you send.
示例：
candidates(content(parts(text,inlineData)),finishReason),usageMetadata,modelVersion,responseId,promptFeedback
代码示例
将 $TOOLSWITCH_KEY 替换为你在控制台创建的密钥。
预览
curl -X POST 'https://toolswitch.dev/v1/tools/google-ai.image-gen.gemini-3-1-flash-image?fields=candidates%28content%28parts%28text%2CinlineData%29%29%2CfinishReason%29%2CusageMetadata%2CmodelVersion%2CresponseId%2CpromptFeedback' \
-H "X-Toolswitch-Key: $TOOLSWITCH_KEY" \
-H "Content-Type: application/json" \
--data-raw '{"contents":[{"parts":[{"text":"A clean editorial illustration of a paper airplane."}]}],"generationConfig":{"imageConfig":{"imageSize":"1K","aspectRatio":"1:1"},"responseModalities":["IMAGE"]}}'import os
import json
import requests
response = requests.request(
"POST",
"https://toolswitch.dev/v1/tools/google-ai.image-gen.gemini-3-1-flash-image?fields=candidates%28content%28parts%28text%2CinlineData%29%29%2CfinishReason%29%2CusageMetadata%2CmodelVersion%2CresponseId%2CpromptFeedback",
headers={"X-Toolswitch-Key": os.environ["TOOLSWITCH_KEY"]},
json=json.loads("{\"contents\":[{\"parts\":[{\"text\":\"A clean editorial illustration of a paper airplane.\"}]}],\"generationConfig\":{\"imageConfig\":{\"imageSize\":\"1K\",\"aspectRatio\":\"1:1\"},\"responseModalities\":[\"IMAGE\"]}}"),
)
response.raise_for_status()
print(response.text)const response = await fetch("https://toolswitch.dev/v1/tools/google-ai.image-gen.gemini-3-1-flash-image?fields=candidates%28content%28parts%28text%2CinlineData%29%29%2CfinishReason%29%2CusageMetadata%2CmodelVersion%2CresponseId%2CpromptFeedback", {
method: "POST",
headers: {
"X-Toolswitch-Key": process.env.TOOLSWITCH_KEY ?? "",
"Content-Type": "application/json",
},
body: JSON.stringify(JSON.parse("{\"contents\":[{\"parts\":[{\"text\":\"A clean editorial illustration of a paper airplane.\"}]}],\"generationConfig\":{\"imageConfig\":{\"imageSize\":\"1K\",\"aspectRatio\":\"1:1\"},\"responseModalities\":[\"IMAGE\"]}}")),
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
console.log(await response.text());网关接口为预览版，地址与鉴权方式可能调整。 示例参数仅为样例数据。 调用按 $0.165/success 计费，已含服务费。