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
Pay-per-use. No subscription, no minimums. Buy credits and pay only for what you call.
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.
Ready to build with GPT Image 2?
One API key. Every major AI model. Pay only for what you use.
Get your API key, free to start