1.51.0 (2026-04-29)
Features
- [Interactions] Add FileCitation.{custom_metadata,media_id,page_number} (9e08ba9)
- Add
output_infotoBatchJob(5327c60) - Add gemini-3.1-flash-tts-preview model to options (35c941b)
- Add ImageResizeMode for GenerateVideos (faa1088)
- Add new Gemini Deep Research agent models (6f83a05)
- Add Vertex Dataset input and output options for batch jobs (6aa848e)
- interaction-api: Add grounding tool usage breakdown to Interaction Usage. (e1c31ad)
- introduce enterprise flag and GOOGLE_GENAI_USE_ENTERPRISE env var (cf7ad52)
- Replace the more ambiguous rate field with sample_rate. (6c80464)