**Model updates:**

- Released [Gemini 1.5 Pro](https://ai.google.dev/gemini-api/docs/models/gemini#gemini-1.5-pro) (`gemini-1.5-pro-latest`) in preview.
- Released a new text embedding model, `text-embeddings-004`, which supports [elastic embedding](https://ai.google.dev/gemini-api/docs/embeddings#elastic-embedding) sizes under 768.

**API updates:**

- Released the [File API](https://ai.google.dev/api/rest/v1beta/files) for temporarily storing media files for use in prompting.
- Added support for prompting with text, image, and audio data, also known as *multimodal* prompting. To learn more, see [Prompting with media](https://ai.google.dev/gemini-api/docs/prompting_with_media).
- Released [System instructions](https://ai.google.dev/gemini-api/docs/system-instructions) in beta.
- Added [Function calling mode](https://ai.google.dev/gemini-api/docs/function-calling#function_calling_mode), which defines the execution behavior for function calling.
- Added support for the `response_mime_type` configuration option, which lets you request responses in [JSON format](https://ai.google.dev/gemini-api/docs/api-overview#json).