Gemini Omni Flash

Gemini Omni Flash is Google's video model for the Gemini API, released in public preview on 30 June 2026 as gemini-omni-flash-preview. Google's own documentation now recommends it as the default model for video generation, ahead of Veo 3.1 — a notable shift, because Veo had been the company's flagship video line since 2024 and Omni Flash comes from the Gemini family instead. What separates it from Veo is the working method. Veo takes a prompt and returns a finished clip; Omni Flash is built for multi-turn work through the Interactions API, so a video can be refined across several conversational turns instead of being regenerated from a rewritten prompt. Google lists its strengths as video coherence, multi-input reasoning with text, images, audio and video supplied simultaneously, character consistency and factual accuracy. Inputs are text and images turned into short videos; refinement happens in natural language. Billing shows how differently the two models are built. Veo 3.1 is priced per second of finished video (0.40 USD at 720p and 1080p, 0.60 USD at 4K, less for the Fast and Lite variants). Omni Flash is priced in tokens like any other Gemini model: 1.50 USD per million input tokens covering text, image, video and audio alike, 9.00 USD per million text output tokens and 17.50 USD per million video output tokens, with video counted at 5,792 tokens per second of 720p footage — roughly 0.10 USD per second, comparable to Veo 3.1 Fast. There is no free tier. Google publishes no parameter count, architecture description, context window or knowledge cutoff for this model. It arrived on the same day as Nano Banana 2 Lite. The preview did not stay a preview. On 27 August 2026 Google released a stable version under a new model ID, gemini-omni-1.1-flash, and announced that the original gemini-omni-flash-preview endpoint will be deprecated on 30 September 2026 — three months after the model first appeared. Code written against the preview ID has to move to the stable one; the release notes describe the stable model in the same terms, as fast video generation, editing, keyframe interpolation and extension with native audio.

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