GPT Image 2 (2026-04-21)

Model Information

Display Name: GPT Image 2 (2026-04-21)

API Model ID: openai/gpt-image-2-2026-04-21

Category: Text To Image

Description: GPT Image 2 (2026-04-21) is the pinned snapshot of OpenAI's GPT Image 2 model, frozen at the April 21, 2026 release. Use this version to lock behavior in production pipelines where consistency across deployments is critical. This snapshot shares all capabilities of the latest GPT Image 2 — native visual reasoning, accurate multilingual text rendering, multi-panel generation, and flexible resolutions (1K/2K/4K) — but will not receive updates or behavior changes. **Key Features:** - Identical capabilities to GPT Image 2 at release date - Deterministic behavior for reproducible results - Quality tiers: Low, Medium, High - Resolutions: 1K, 2K, 4K (experimental) - Up to 10 images per request **When to Use:** - Production pipelines requiring version pinning - A/B testing against newer model versions - Regulatory or compliance workflows requiring reproducibility **Output Formats:** PNG, JPEG, WebP

How to Use This Model

To use GPT Image 2 (2026-04-21) via the HInow.ai API, use the model ID: openai/gpt-image-2-2026-04-21

API Request Example (Chat/Text)


POST https://api.hinow.ai/v1/chat/completions
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "model": "openai/gpt-image-2-2026-04-21",
  "messages": [
    {"role": "user", "content": "Your message here"}
  ]
}
              

API Request Example (Image Generation)


POST https://api.hinow.ai/v1/images
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "model": "openai/gpt-image-2-2026-04-21",
  "prompt": "Your image description here"
}
              

Pricing

  • total: $0.087

Available Parameters

  • quality: Image quality level. (Options: low, medium, high)
  • aspect_ratio: Output aspect ratio. (Options: 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3)
  • resolution: Output resolution tier. (Options: 1k, 2k, 4k)
  • output_format: Output image format. (Options: png, jpeg, webp)
  • num_images: Number of images to generate per request. (Options: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

Quick Reference

To use this model, set: "model": "openai/gpt-image-2-2026-04-21"

Featured: No

Documentation: https://hinow.ai/models/openai/gpt-image-2-2026-04-21

API Endpoint: https://api.hinow.ai/v1

Back to Models

GPT Image 2 (2026-04-21)

openai/gpt-image-2-2026-04-21

$0.087
per image

About

GPT Image 2 (2026-04-21) is the pinned snapshot of OpenAI's GPT Image 2 model, frozen at the April 21, 2026 release. Use this version to lock behavior in production pipelines where consistency across deployments is critical.

This snapshot shares all capabilities of the latest GPT Image 2 — native visual reasoning, accurate multilingual text rendering, multi-panel generation, and flexible resolutions (1K/2K/4K) — but will not receive updates or behavior changes.

Key Features:

  • Identical capabilities to GPT Image 2 at release date
  • Deterministic behavior for reproducible results
  • Quality tiers: Low, Medium, High
  • Resolutions: 1K, 2K, 4K (experimental)
  • Up to 10 images per request

When to Use:

  • Production pipelines requiring version pinning
  • A/B testing against newer model versions
  • Regulatory or compliance workflows requiring reproducibility

Output Formats: PNG, JPEG, WebP

Capabilities

Text To Image

Parameters

quality

Image quality level.

lowmediumhigh
aspect_ratio

Output aspect ratio.

1:116:99:164:33:43:22:3
resolution

Output resolution tier.

1k2k4k
output_format

Output image format.

pngjpegwebp
num_images

Number of images to generate per request.

12345678910

Code Examples

curl -X POST https://api.hinow.ai/v1/images \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $HINOW_API_KEY" \
  -d '{
    "model": "openai/gpt-image-2-2026-04-21",
    "prompt": "A beautiful sunset over mountains",
    "parameters": {
      "quality": "low",
      "aspect_ratio": "1:1",
      "resolution": "1k",
      "output_format": "png",
      "num_images": "1"
    }
  }'