AI Research Atlas

Veo 3.1 and Veo 3.1 Fast

Google DeepMind · 15 October 2025

Veo 3.1 adds video extension, first-and-last-frame interpolation and multi-image reference control with audio in every mode; API preview plus Flow.

Incremental over Veo 3: richer audio, more narrative control and enhanced realism, plus extension and first-and-last-frame interpolation for longer scenes. Jan 2026 update added vertical 9:16 output and 4K/1080p upscaling; a 3.1 Lite tier arrived 2026-03-31.

Date
Wednesday, 15 October 2025
Lab
Google DeepMind
Kind
model
Access
closed API

Launch post and API changelog both date it 2025-10-15. Flow had generated over 275 million videos by that date (Google).

Sources

  1. blog.google/technology/ai/veo-updates-flow/
  2. ai.google.dev/gemini-api/docs/changelog
  3. blog.google/technology/ai/google-ai-updates-october-2025/
  4. blog.google/innovation-and-ai/products/google-ai-updates-january-2026/
  5. deepmind.google/models/veo/

This record was checked against its sources on 6 October 2026. How we check

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