**API updates:**

- Introduced a 2M context window for Gemini 1.5 Pro (waitlist).
- Introduced pay-as-you-go [billing](https://ai.google.dev/gemini-api/docs/billing) for Gemini 1.0 Pro, with Gemini 1.5 Pro and Gemini 1.5 Flash billing coming soon.
- Introduced increased rate limits for the upcoming paid tier of Gemini 1.5 Pro.
- Added built-in video support to the [File API](https://ai.google.dev/api/rest/v1beta/files).
- Added plain text support to the [File API](https://ai.google.dev/api/rest/v1beta/files).
- Added support for parallel function calling, which returns more than one call at a time.