Using GPT Image 1.5 on fal API

Quick Start

1. 1
   Create an account at fal API and generate an API key.
2. 2
   Use the fal API SDK or REST API to call fal-ai/gpt-image-1.5 — see the documentation for request format.

Code Examples

About fal API

fal serves asynchronous and real-time model APIs on its infrastructure with queue handling, automatic scaling, SDK and HTTP access, and model-specific output-based billing. Its public catalog includes first-party and partner-hosted endpoints across image, video, audio, vision, and 3D generation; model cards expose the applicable schema, pricing, and license information.

fal API is a developer platform for calling a large catalog of production-ready image, video, audio, vision, 3D, and multimodal generation models through a unified API surface.

Pricing on fal API

Capabilities

About GPT Image 1.5

GPT Image 1.5 is OpenAI's improved image generation model, released December 16, 2025. Delivers 4× faster generation than GPT Image 1, improved text rendering, precise logo and face preservation, and better instruction following. Approximately 20% cheaper than GPT Image 1 with per-image pricing at $0.009/$0.034/$0.133 for 1024×1024 (low/medium/high). Became the default for ChatGPT Images on release. Supports landscape (1536×1024) and portrait (1024×1536) orientations.