GPT Image 2 API: OpenAI's image-generation model, one key away
GPT Image 2 via the ApexApi gateway
OpenAI's image model, notable for following long, detailed prompts and rendering readable text inside the image. Call it through ApexApi's unified, OpenAI-compatible API with one `ak-` key, alongside every other model in the catalog. Pricing is $0.007–$0.253/image per image, billed pay-per-use from your credit balance with no subscription.
GPT Image 2 is served through ApexApi's unified, OpenAI-compatible API. One key, one format, with smart routing and automatic failover. Provider: OpenAI.
Why GPT Image 2
Text-to-image generation
High-quality image generation (and image-to-image where supported) through one API.
Transparent pricing ($0.007–$0.253/image)
Pay per image from your credit balance. Failed generations aren't billed.
OpenAI-compatible
Drop-in with any OpenAI SDK. Change the base URL and key, keep your code.
Specifications
- Modality
- image
- Context window
- —
- Max output
- —
- Streaming
- —
- Tool / function calling
- —
- Vision input
- —
GPT Image 2 pricing
- For lighter work, GPT Image 2.5 Sunburst from the same maker costs 4.0× less — one string apart on the same key.
Getting started with GPT Image 2
OpenAI-compatible. Point your client at ApexApi, swap your key, and call it. No new SDK to learn.
import requests
resp = requests.post(
"https://api.apexapi.dev/v1/images/generations",
headers={"Authorization": "Bearer <YOUR_APEXAPI_KEY>"},
json={"model": "openai/gpt-image-2", "prompt": "A serene mountain lake at golden hour"},
)
print(resp.json())GPT Image 2 use cases
What teams build with GPT Image 2 on ApexApi.
Marketing & creative
On-brand visuals, ad creative, and product imagery at scale.
In-product generation
Generate images inside your app from user prompts.
Prototyping
Rapid concept art and design exploration.
GPT Image 2 vs other models
How it compares, and on ApexApi you can switch between any of them with a single string change, same key, same endpoint.
GPT Image 2 vs Nano Banana Pro
Compare GPT Image 2 against this model on price, capabilities, and latency. A/B them with a single key on ApexApi.
Learn more about Nano Banana Pro API →GPT Image 2 vs FLUX.2 Pro
Compare GPT Image 2 against this model on price, capabilities, and latency. A/B them with a single key on ApexApi.
Learn more about FLUX.2 Pro API →GPT Image 2 API: FAQ
How do I call GPT Image 2 through ApexApi?
Create an ApexApi key, point your client at https://api.apexapi.dev/v1, and POST to /v1/images/generations with the model set to `openai/gpt-image-2`. The API is OpenAI-compatible, so an existing OpenAI SDK works once you change the base URL and key.
How much does GPT Image 2 cost on ApexApi?
$0.007–$0.253/image, billed per image with no subscription or minimum. The exact figure is shown before you generate, so nothing is charged against a price you have not seen.
What should I use instead of GPT Image 2?
From the same maker, GPT Image 2.5 Sunburst costs less for lighter work. Switching is one string: it runs on the same endpoint and the same key, so there is nothing to re-integrate.
Ready to build with GPT Image 2?
One API key. Every major AI model. Pay only for what you use.
Try GPT Image 2, pay as you go from $5