# GPT Image | v1.5 | Text to Image

GPT Image 1.5 produces high-quality images with precise prompt alignment, consistent composition, realistic lighting, and rich fine-detail rendering.

## API Information

- **Model Slug:** gpt-image-v1-5-text-to-image
- **Branded URL:** https://www.eachlabs.ai/openai/gpt-image/gpt-image-v1-5-text-to-image
- **Provider:** OpenAI
- **Category:** Text to Image
- **Output Type:** array
- **Status:** active
- **Version:** 0.0.1
- **Base Cost:** gpt-image-1.5: text 5/10 per M + image 8/32 per M
- **Estimated Processing Time:** 40 seconds
- **Last Updated:** 2026-08-16
- **Interactive Demo:** https://www.eachlabs.ai/ai-models/gpt-image-v1-5-text-to-image

## Pricing

- **Charge Type:** dynamic
- **Pricing Details:** gpt-image-1.5: text 5/10 per M + image 8/32 per M

### Pricing Rules

| Condition | Pricing |
| --- | --- |
| Rule 1 | gpt-image-1.5: text 5/10 per M + image 8/32 per M |
| Default (fallback) | Fallback if token breakdown unavailable |

## Input Schema

| Parameter | Type | Required | Default | Constraints | Description |
|-----------|------|----------|---------|-------------|-------------|
| prompt | string | Yes | - | - | The prompt for image generation |
| image_size | string | No | 1024x1024 | 1024x1024,1536x1024,1024x1536 | Aspect ratio for the generated image |
| background | string | No | auto | auto,transparent,opaque | Background for the generated image |
| quality | string | No | high | low,medium,high | Quality for the generated image |
| num_images | integer | No | 1 | 1–4 | Number of images to generate |
| output_format | string | No | png | jpeg,png,webp | Output format for the images |
| moderation | string | No | low | low,auto | Content moderation level. low is less restrictive, auto is standard filtering. |

## Example Request

```bash
curl -X POST https://api.eachlabs.ai/v1/prediction/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "gpt-image-v1-5-text-to-image",
  "input": {
    "prompt": "Create a realistic image taken with an iPhone at the coordinates 51°16′23″N 45°59′45″E on 12 April 1961.\nThe scene captures the first human spaceflight moments after launch, focusing on the first astronaut in orbit."
  }
}'
```

## Output Schema

Response returned by `GET /v1/prediction/{id}` when the job completes:

```json
{
  "status": "success",
  "predictionID": "string",
  "output": "array",
  "metrics": {
    "predict_time": "number (seconds)"
  }
}
```

## Polling

```bash
curl https://api.eachlabs.ai/v1/prediction/{PREDICTION_ID} \
  -H "Authorization: Bearer YOUR_API_KEY"
```

| Status | Meaning |
|--------|---------|
| `processing` | Still running — poll again |
| `success` | Done — read `output` |
| `error` | Failed — read `message` / `details` |

## Webhook (alternative to polling)

Pass `"webhook_url": "https://your.host/path"` in the create request. Eachlabs POSTs this payload when the job ends:

```json
{
  "exec_id": "prediction-uuid",
  "status": "succeeded",
  "output": "https://...",
  "error": ""
}
```

`status` is `"succeeded"` or `"failed"`. `exec_id` equals the `predictionID` from create. Return 2xx within 30 seconds.

## Errors

Error body: `{ "status": "error", "message": "...", "details": "..." }`

| Code | Meaning |
|------|---------|
| `400` | Invalid input |
| `401` | Missing / invalid `Authorization` bearer token |
| `404` | Unknown model or prediction id |
| `429` | Rate limit — 100 creates / min, 10 concurrent per key |
| `5xx` | Retry with backoff |

## Overview

**gpt-image-v1.5-text-to-image — Text-to-Image AI Model**

Developed by OpenAI as part of the gpt-image family, **gpt-image-v1.5-text-to-image** excels at generating high-quality images from text prompts with exceptional prompt adherence, realistic lighting, and superior text rendering for dense or small text elements. This **text-to-image AI model** powers workflows like marketing visuals and UI mockups by delivering precise composition and high visual fidelity up to 4x faster than predecessors. OpenAI's GPT Image 1.5 architecture behind **gpt-image-v1.5-text-to-image** ensures reliable results for developers seeking an **OpenAI text-to-image** solution with strong instruction following.

## Usage Notes

- API Base URL: `https://api.eachlabs.ai/v1`
- Authentication: send `Authorization: Bearer YOUR_API_KEY`. Generate a key from the Eachlabs dashboard at https://www.eachlabs.ai/dashboard/api-keys.
- File-typed parameters (`*_url`, `image_url`, `video_url`, `audio_url`, etc.) accept publicly-reachable HTTPS URLs only. Upload your asset first (GCS / S3 / your CDN) and pass the resulting URL. Data-URIs and localhost URLs are rejected.
- For structured parameters (arrays / objects) send real JSON values, not stringified payloads.
- Monetary values are reported in USD; per-token / per-megapixel rates may be billed in micro-cents internally.
- Prefer `webhook_url` over polling for long-running predictions — see the Webhook Callback section.