# Gemini Omni Flash goes GA with video extension, interpolation and 4K output controls Google has promoted Gemini Omni Flash to a generally available `gemini-omni-1.1-flash` endpoint, adding clip extension, first-to-last-frame interpolation and explicit resolution control up to 4K. The earlier preview endpoint is scheduled to shut down September 30, creating a concrete migration deadline for video-generation integrations. Gemini Omni Flash has crossed from preview into a production API with a broader editing surface. Builders can extend existing clips and interpolate between images, but preview integrations now have a September migration deadline. - Status: Active - Published: 2026-08-29T17:10:46+12:00 - Updated: 2026-08-29T17:10:46+12:00 - Categories: Artificial Intelligence, AI Models, Inference & APIs - Tags: API migration, Gemini API, Gemini Omni Flash, video editing, video generation - Canonical HTML: https://beyondthe.news/dossiers/gemini-omni-1-1-flash-ga-video-extension-interpolation-4k-preview-sunset ## What changed Google’s Gemini API release notes mark `gemini-omni-1.1-flash` generally available as of August 27, 2026. The GA release expands the model’s video generation and editing surface with three notable controls: video extension can generate a continuation at the end of an existing clip; interpolation can create a transition between a supplied first and last image; and a new resolution parameter supports 360p, 720p, 1080p and 4K output, with higher resolutions produced through upscaling. Google also set a September 30, 2026 shutdown date for the earlier `gemini-omni-flash-preview` endpoint. ## Why it matters For builders using generative video in product workflows, the meaningful shift is from an experimental endpoint to a supported migration target with additional editing operations. Video extension and endpoint-to-endpoint interpolation can reduce the need to stitch multiple specialized generation tools together, while resolution control makes the same API usable across preview, social and higher-resolution delivery paths. The September 30 cutoff means the change is also operational: preview users have a fixed deadline to test differences and move production integrations rather than treating GA as optional housekeeping. ## The model now has a GA endpoint Google’s release notes identify `gemini-omni-1.1-flash` as the generally available release. That gives teams a production target distinct from the earlier preview endpoint and makes version pinning more important for applications that need reproducible video output behavior. ## Existing video can be extended rather than regenerated The new `extend` task can create a continuation from the end of an existing clip. That supports workflows such as lengthening an approved shot, generating alternative endings or incrementally building longer assets without starting every iteration from the original prompt. ## First-and-last-frame interpolation adds another editing primitive The image-to-video path can accept up to two images as endpoints and generate the transition between them. For creative tools, this creates a more controlled way to animate between known compositions than relying on one starting image plus an unconstrained prompt. ## Resolution is now explicit up to 4K A `resolution` field supports 360p, 720p, 1080p and 4K. Google says 720p is the default and higher-resolution output uses upscaling. Builders should therefore distinguish output pixel dimensions from native generation detail when evaluating quality and cost. ## Preview integrations have a hard migration date Google says `gemini-omni-flash-preview` will be deprecated and shut down on September 30, 2026. Applications should test prompts, aspect ratios, editing behavior and output quality on `gemini-omni-1.1-flash` before switching rather than assuming the GA endpoint is byte-for-byte or behaviorally identical. ## Key details - Google made `gemini-omni-1.1-flash` generally available on August 27, 2026. - The model can extend an existing video clip by generating a continuation. - Image-to-video interpolation can use a first and last image to generate the transition between them. - The API supports explicit 360p, 720p, 1080p and 4K output settings. - Google says 1080p and 4K outputs are produced using upscaling. - The earlier `gemini-omni-flash-preview` endpoint is scheduled to shut down September 30, 2026. ## Builder takeaways - If you use the preview endpoint, create a side-by-side regression set now and move to `gemini-omni-1.1-flash` before September 30. - Treat 4K as a delivery/output setting rather than proof of native 4K generative detail; inspect artifacts after upscaling on the content types your product creates. - Use video extension for iterative continuation workflows instead of regenerating the full clip when preserving the opening is important. - Test first/last-frame interpolation as a controllability tool for product demos, transitions and storyboard-to-video workflows where both endpoint compositions are known. - Pin the model version in production and preserve generated test fixtures because visual behavior can change even when the task names remain stable. ## What to watch - Pricing and throughput differences between GA and the retired preview endpoint at production scale. - Independent quality comparisons for native 720p versus upscaled 1080p/4K output. - Maximum duration and continuity quality for repeated video-extension chains. - Whether Google adds stronger scene editing, object replacement or temporal consistency controls to the GA endpoint. - Any migration caveats Google publishes before the September 30 preview shutdown. ## Uncertainties - Google’s release notes establish the new capabilities and GA state, but real-world output consistency varies by prompt, source media and editing task. - Higher resolution does not necessarily mean higher native generative detail because Google says 1080p and 4K use upscaling. - The exact behavioral differences between the preview and GA endpoints can only be established through workload-specific regression testing. ## Sources - [Gemini API release notes](https://ai.google.dev/gemini-api/docs/changelog) — Google AI for Developers · primary_changelog · 2026-08-27T00:00:00+12:00. Primary source for Gemini Omni Flash GA, video extension, first/last-frame interpolation, resolution control and the September 30 preview shutdown.