Google Gemini 2.5 Flash Image Text To Image
Playground
Try it on WavespeedAI!Google Gemini 2.5 Flash Image offers advanced text-to-image generation and image editing with creative controls for quality images. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Features
Gemini 2.5 Flash Image — Google
Gemini 2.5 Flash Image is Google’s state-of-the-art image generation and editing model, part of the Gemini 2.5 family. It’s optimized for fast, conversational, and multi-turn creative workflows, enabling high-quality visual generation and editing within seconds.
✨ Key Features
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Native Image Generation & Editing Natively supports both creation and modification of images, offering a seamless multimodal workflow.
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Multi-Image Fusion Combine multiple inputs into one cohesive image — perfect for product mockups, scene compositing, and style fusion.
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Character & Style Consistency Maintains consistent appearance, identity, and aesthetic across prompts and sessions, ideal for storytelling and branding.
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Conversational Editing Make precise visual changes simply by describing them in natural language (e.g., “remove the shadow,” “add a sunset glow”).
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Visual Reasoning Performs complex understanding tasks such as diagram interpretation, layout composition, and conceptual illustration.
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SynthID Watermarking All generated and edited images include Google’s invisible SynthID watermark for responsible AI use and transparency.
🧩 How to Use
- Enter your prompt describing the desired image or edit.
- Select the aspect ratio (e.g.,
16:9,3:2,1:1,9:16). - Choose the output format (
pngorjpeg). - (Optional) Enable sync mode for inline response generation.
- Click Run to create your image instantly.
💰 Pricing
- $0.038 per image generation
📝 Notes
- Works best with descriptive, context-rich prompts that include composition and style details.
- Supports aspect ratios up to 21:9 for wide cinematic frames.
- Output format supports PNG (for transparent graphics) and JPEG (for compressed photography).
- Please follow Google’s model usage policies.
- If your input violates the safety rules, the system will block generation and return an error message.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/google/gemini-2.5-flash-image/text-to-image" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
"output_format": "png",
"enable_sync_mode": false,
"enable_base64_output": false
}'
# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | Yes | - | The positive prompt for the generation. | |
| aspect_ratio | string | No | - | 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9 | The aspect ratio of the generated media. |
| output_format | string | No | png | png, jpeg | The format of the output image. |
| enable_sync_mode | boolean | No | false | - | If set to true, the function will wait for the result to be generated and uploaded before returning the response. It allows you to get the result directly in the response. This property is only available through the API. |
| enable_base64_output | boolean | No | false | - | If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API. |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | Array of URLs to the generated content (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”) |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |