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FLUX 3 / Text to Image

flux-3-text-to-image

文生图输出: 图像输入: 文本
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官方原价 · 未验证

模型能力

Generate images from a text prompt.

Resolution-based pricing · up to 4K

输入参数

仅列出此模型接受的字段。必填字段必须提供。

字段类型必填默认值可选值与约束
prompt
string必填—

Scene description or edit instruction. No negative prompt; a bbox JSON array may be appended for layout or local edits.

1–20000 chars

aspectRatio
string可选"1:1"

Output aspect ratio. auto follows the first reference image when editing, or the prompt for text-to-image.

可选值: "auto", "21:9", "2:1", "16:9", "3:2", "7:5", "4:3", "5:4", "1:1", "4:5", "3:4", "5:7", "2:3", "9:16", "1:2", "9:21"

resolution
string必填"1k"

Resolution tier, decides the price. 768sq ~768x768, 1k ~1MP, 1.5k ~2MP, 2k ~4MP, 4k ~16MP.

可选值: "768sq", "1k", "1.5k", "2k", "4k"

grounding
boolean可选true

Allow web or image search before generation. On by default.

safetyTolerance
integer可选2

Moderation tolerance, 0 strictest to 4, default 2.

0–4

限制与行为

  • 仅支持异步:先提交任务,再轮询结果。
  • prompt: 1–20000 chars
  • safetyTolerance: 0–4