Image Generation Models on OpenRouter

OpenRouter provides a seamless integration for both image generation and analysis through a single API endpoint, allowing users to perform these tasks with one API key and billing account. Users can generate images by posting a prompt to the /api/v1/images endpoint, which returns base64-encoded image bytes. For image analysis, such as OCR or object detection, users can send an image URL to a vision model via the /chat/completions endpoint. The platform supports a diverse catalog of image models, including offerings from Google, OpenAI, and other major labs, ensuring robust routing and failover capabilities between providers. Although there is no free tier for image generation, low-cost models are available starting at approximately one cent per image. Error handling is built-in, guiding users to select appropriate models that support the required input modalities.

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