Image Image Editing Kie.ai

GPT Image 1.5 I2I

GPT Image 1.5 I2I costs $0.024/image on FairStack — a image editing model for Text-in-image editing, General image modifications, Quick edit iterations. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.

FairStack price
$0.024/image

What is GPT Image 1.5 I2I?

GPT Image 1.5 I2I brings OpenAI's top-ranked image generation capabilities to editing workflows. Users upload a source image and describe desired changes in natural language — the model edits with strong text rendering, good identity preservation, and fast turnaround. It shares the same architecture as the #1 ranked T2I model, applied specifically to image-to-image transformation tasks. The model excels at text-in-image editing: adding, modifying, or replacing text overlays with high accuracy. It also handles general-purpose modifications including style transfer, object replacement, and scene adjustments. Generation speed is among the fastest in the editing category, making it practical for iterative design workflows. Compared to dedicated editing models like FLUX Kontext Pro or Seedream Edit, GPT Image 1.5 I2I trades some character consistency for superior text handling. Where Kontext Pro offers more surgical element-level edits, this model is stronger when the edit involves typography or text placement. Best suited for marketing asset updates, text-in-image editing, quick design iterations, and any editing task where text accuracy matters. Available on FairStack at infrastructure cost plus a 20% platform fee.

Key Features

Text-in-image editing — add, modify, or replace text overlays with high accuracy
General-purpose editing — style transfer, object modification, scene changes
Fast generation — one of the quickest edit models available
GPT Image quality — same architecture as the #1 ranked T2I model

What are GPT Image 1.5 I2I's strengths?

GPT Image quality applied to editing
Strong text handling in edits
Fast turnaround
Good general-purpose editing

What are GPT Image 1.5 I2I's limitations?

Less specialized for character consistency than Seedream Edit
Identity preservation not as strong as Kontext Pro

What is GPT Image 1.5 I2I best for?

Text-in-image editing General image modifications Quick edit iterations Marketing asset updates

How much does GPT Image 1.5 I2I cost?

Metric
FairStack
Details
Price per generation
$0.024
Includes 20% margin
low:1024x1024 quality
$0.0090
Per generation
low:1536x1024 quality
$0.0130
Per generation
low:1024x1536 quality
$0.0130
Per generation
medium:1024x1024 quality
$0.0200
Per generation
medium:1536x1024 quality
$0.0200
Per generation
medium:1024x1536 quality
$0.0200
Per generation
high:1024x1024 quality
$0.1100
Per generation
high:1536x1024 quality
$0.1100
Per generation
high:1024x1536 quality
$0.1100
Per generation
Subscription
None
Pay per generation only

How does GPT Image 1.5 I2I perform across capabilities?

photorealism
78%
layout precision
68%
text rendering
70%
identity consistency
55%
style adherence
74%
editing
78%
fine detail
70%
multi subject
60%
lighting complexity
68%
storytelling
65%

How do I use the GPT Image 1.5 I2I API?

curl
curl -X POST https://api.fairstack.ai/v1/generations/image \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-image-1.5-i2i",
    "prompt": "Your prompt here"
  }'
Python
import requests

response = requests.post(
    "https://api.fairstack.ai/v1/generations/image",
    headers={
        "Authorization": f"Bearer {FAIRSTACK_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "model": "gpt-image-1.5-i2i",
        "prompt": "Your prompt here",
    },
)

result = response.json()
print(result["url"])
Node.js
const response = await fetch(
  "https://api.fairstack.ai/v1/generations/image",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "gpt-image-1.5-i2i",
      prompt: "Your prompt here",
    }),
  }
);

const result = await response.json();
console.log(result.url);

What parameters does GPT Image 1.5 I2I support?

Parameter
Type
Default
Details
image_size
enum
auto
Options: auto, 1024x1024, 1536x1024, 1024x1536
quality
enum
medium
Options: medium, high
image_urls
array_of_strings
mask_image_url
string (optional)
input_fidelity
enum
high
Options: low, high
num_images
integer
1
Range: 1–4
output_format
enum
png
Options: jpeg, png, webp
aspect_ratio
enum
3:2
Options: 1:1, 2:3, 3:2

Frequently Asked Questions

How much does GPT Image 1.5 I2I cost?

GPT Image 1.5 I2I costs $0.024/image on FairStack as of 2026-03-23. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.

What is GPT Image 1.5 I2I and what is it best for?

GPT Image 1.5 I2I brings OpenAI's top-ranked image generation capabilities to editing workflows. Users upload a source image and describe desired changes in natural language — the model edits with strong text rendering, good identity preservation, and fast turnaround. It shares the same architecture as the #1 ranked T2I model, applied specifically to image-to-image transformation tasks. The model excels at text-in-image editing: adding, modifying, or replacing text overlays with high accuracy. It also handles general-purpose modifications including style transfer, object replacement, and scene adjustments. Generation speed is among the fastest in the editing category, making it practical for iterative design workflows. Compared to dedicated editing models like FLUX Kontext Pro or Seedream Edit, GPT Image 1.5 I2I trades some character consistency for superior text handling. Where Kontext Pro offers more surgical element-level edits, this model is stronger when the edit involves typography or text placement. Best suited for marketing asset updates, text-in-image editing, quick design iterations, and any editing task where text accuracy matters. Available on FairStack at infrastructure cost plus a 20% platform fee. GPT Image 1.5 I2I is best for Text-in-image editing, General image modifications, Quick edit iterations. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does GPT Image 1.5 I2I have an API?

Yes. GPT Image 1.5 I2I is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/image with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does GPT Image 1.5 I2I compare to other image models?

GPT Image 1.5 I2I excels at Text-in-image editing, General image modifications, Quick edit iterations. It is a image editing model priced at $0.024/image on FairStack. Key strengths: GPT Image quality applied to editing, Strong text handling in edits. Compare all image models at fairstack.ai/models.

What makes GPT Image 1.5 I2I stand out for image editing?

GPT Image 1.5 I2I distinguishes itself with gpt image quality applied to editing and strong text handling in edits. Generation typically completes in under 5 seconds.

What are the limitations of GPT Image 1.5 I2I for editing?

Key limitations include: less specialized for character consistency than seedream edit; identity preservation not as strong as kontext pro. FairStack documents these transparently so you can choose the right model for your workflow.

How fast is GPT Image 1.5 I2I?

GPT Image 1.5 I2I typically completes in under 5 seconds. This makes it suitable for real-time applications, interactive workflows, and high-volume batch processing.

What features does GPT Image 1.5 I2I support?

GPT Image 1.5 I2I offers: text-in-image editing; general-purpose editing; fast generation; gpt image quality. All capabilities are accessible through both the FairStack web interface and REST API.

See how GPT Image 1.5 I2I compares

Side-by-side pricing comparisons with competitors

Start using GPT Image 1.5 I2I today

$0.024/image. Full API access. No subscription.

Start Creating