Google Gemini 2.5 Flash Image Preview Text To Image

Google Gemini 2.5 Flash Image Preview Text To Image

Playground

Google Gemini 2.5 Flash Text-to-Image delivers state-of-the-art text-to-image generation and image editing with previews. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

Gemini 2.5 Flash Image Preview is Google’s fast and efficient text-to-image generation model built on the Gemini architecture. Generate high-quality images from text descriptions with flexible aspect ratios and multiple output formats — all at an affordable price.

Why It Stands Out

• Fast generation: Optimized for speed while maintaining high visual quality.
• Prompt Enhancer: Built-in AI-powered prompt optimization for better image results.
• Flexible aspect ratios: Choose from multiple aspect ratio presets to fit your content needs.
• Multiple output formats: Export as PNG or other formats based on your requirements.
• Powered by Gemini: Leverages Google’s advanced multimodal AI for strong prompt understanding.

Parameters

How to Use

1. Write a prompt describing the image you want. Use the Prompt Enhancer for AI-assisted optimization.
2. Select aspect ratio — choose the format that fits your use case.
3. Choose output format — select PNG or other available formats.
4. Click Run and download your image.

Best Use Cases

• Quick Prototyping — Rapidly generate visual concepts and ideas.
• Social Media Content — Create images sized for different platforms.
• Marketing & Advertising — Produce eye-catching visuals for campaigns.
• Creative Exploration — Experiment with different styles and concepts affordably.
• Design Mockups — Generate placeholder images and visual references.

Pricing

Pro Tips for Best Quality

• Be descriptive in your prompt — include style, mood, lighting, composition, and specific details.
• Use style keywords like “photorealistic,” “illustration,” “digital art,” or “cinematic” to guide the aesthetic.
• Choose the appropriate aspect ratio for your intended use (square for social media, wide for banners, etc.).
• Use PNG format when you need higher quality or transparency support.

Notes

• Processing time varies based on current queue load.
• Please ensure your prompts comply with Google’s Safety Guidelines.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result

set -euo pipefail

export WAVESPEED_API_KEY="your-api-key"

REQUEST_BODY=$(cat <<'JSON'
{
  "prompt": "A cinematic ocean wave at sunrise, highly detailed",
  "aspect_ratio": "1:1",
  "output_format": "png"
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/google/gemini-2.5-flash-image-preview/text-to-image" \
  -H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}")

TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL=$(printf '%s' "${TASK}" | jq -r '.urls.get // empty')
if [ -z "${RESULT_URL}" ]; then RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"; fi

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body \
    "${RESULT_URL}" \
    -H "Authorization: Bearer ${WAVESPEED_API_KEY}")
  RESULT=$(printf '%s' "${RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
  STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')

  case "${STATUS}" in
    completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
    failed|cancelled|timeout) printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
    created|processing) sleep 2 ;;
    *) printf 'Unexpected status: %s
' "${STATUS}" >&2; exit 1 ;;
  esac
done

Parameters

Task Submission Parameters

Request Parameters

Response Parameters

Result Request Parameters

Result Response Parameters