Introducing the Unified Image API

The Unified Image API on OpenRouter provides standardized access to over 30 image generation models from providers like Google, OpenAI, and Microsoft, offering a streamlined interface that supports seamless model switching and enhanced adaptability for coding agents. The API includes detailed capability descriptors for each model, such as supported resolutions and aspect ratios, and offers a singular request schema that normalizes parameters across providers, eliminating the need for hardcoding and reducing errors. Additionally, it supports streaming previews for OpenAI's GPT Image models, allowing users to see partial image renders in real-time. Pricing is transparently conveyed per endpoint, with costs varying by provider and model specifications, ensuring users understand billing structures. The system facilitates the use of provider-specific features through passthrough parameters and encourages feedback for future model additions.

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