AI Video Generators in 2026: Veo 3.1 vs Kling 3.0 vs Seedance 2.5

Short answer: there is no objective winner, and the field changed again over the summer. Google Veo 3.1 remains the realism-plus-audio benchmark with reference images and scene extension. Kling 3.0 owns multi-shot scenes with native dialogue. Seedance 2.5 (July 31, 2026) renders 30-second single takes from up to 50 references. Runway Gen-4.5 is the controlled, client-friendly option. New this quarter: MiniMax H3 (open-weights 2K), Wan3.0 (30 s, document-to-video), Gemini Omni 1.1 Flash (conversational editing) and FLUX 3 Video (early access). OpenAI's Sora app is gone and its API ends on September 24, 2026, so migrate anything that still depends on it.

Below: the Sora migration, a quick comparison, what each model is best at, and the 2026 prompt structure that actually holds a clip together.

Sora is ending — how to migrate

OpenAI discontinued the Sora web and app experiences on April 26, 2026, and the Sora API ends on September 24, 2026. No successor has been announced. If any part of your workflow still depends on Sora, translate it like this:

• Sora timestamp prompts → Seedance 2.5 TIMELINE blocks ("0–4 s …, 4–9 s …") or Kling 3.0 custom shots ("Shot 1 (5 s): …, Shot 2 (5 s): …").
• Sora cameos / character references → Veo 3.1 reference images (up to three), Seedance 2.5 @Image1 identity references, or Kling 3.0 Elements.
• Sora storyboards → Kling 3.0 multi-shot (up to six shots in one generation) or one 30-second Seedance 2.5 take.
• Sora extend / remix → Veo 3.1 scene extension (7-second steps), Gemini Omni 1.1 Flash conversational edits, or Runway Aleph.

Quick comparison

The models, in plain terms

Google Veo 3.1. Google's Gemini API documents 4-, 6- and 8-second generations at 720p, 1080p or 4K, native audio, up to three reference images ("ingredients"), first-and-last-frame control and scene extension in 7-second steps. Veo 3.1 Fast and the newer Veo 3.1 Lite cost less. Access and limits vary by Google product, so check the surface your team uses.

Kling 3.0 and 3.0 Turbo. Kling's official guide documents 3–15 second clips at 720p or 1080p, native audio in English, Chinese, Japanese, Korean and Spanish (with dialect and tone tags), an automatic or custom multi-shot mode with up to six connected shots, and Elements plus "Bind Subject" for consistency. Kling 3.0 Turbo (June 2026) is the faster tier; the Omni variant adds 4K editing. Kling also ships an official MCP server for batch generation from agents.

Seedance 2.5 (ByteDance). Launched July 31, 2026, it renders up to 30 seconds in one take with multi-round extension, accepts up to 50 references (30 images, 10 videos, 10 audio clips) with role assignments such as "@Image1 controls identity only", and supports timestamp-level control and reference-based editing. Available at 480p and 720p on most API providers, with 1080p arriving on selected platforms. Seedance 2.0 is still sold as the cheaper option.

Runway Gen-4.5. Runway documents 1080p text-to-video and image-to-video with integrated audio, plus Aleph for in-context video editing and Act-Two for performance capture. Clips are short (roughly 2–10 seconds per generation) and the plans were renamed in 2026, so check current credits and controls.

MiniMax H3 (Hailuo 3.0). The successor to Hailuo 2.3 (July 31, 2026) renders native 2K clips up to 15 seconds with stereo audio, accepts text, image, video and audio references, supports instruction-based editing and publishes open weights. H3 Max is the higher tier.

Wan3.0 (Alibaba). Generally available since August 24, 2026: up to 30 seconds at 1080p, multilingual voice, multi-subject consistency and — unusually — documents, PDFs, slides and web pages as inputs. API only; Wan 2.2 remains the last open-weights release for self-hosting.

Also in the field: Gemini Omni 1.1 Flash (Google's newest video model, edited by conversation and extendable to roughly 40 seconds), FLUX 3 Video (Black Forest Labs' first video model, 20-second clips with synchronized speech, early access), LTX-2.5 (open weights with native multishot and 4K HDR), Vidu Q3 (16-second multi-shot with dialogue), Luma Ray3.2 (up to 16 keyframes and HDR output), PixVerse V6 / C1 (storyboard-to-video) and Grok Imagine Video 1.5.

How to choose, by use case

• Ads / B-roll / product demos → Veo 3.1 (realism + native audio), or Runway Gen-4.5 for tight client control.
• Multi-shot scene with dialogue → Kling 3.0 (up to six shots, named speakers) or Seedance 2.5.
• Long one-take story (20–30 s) → Seedance 2.5 or Wan3.0.
• Consistent character from references → Seedance 2.5 (@Image roles), Veo 3.1 (three ingredients) or Kling 3.0 Elements.
• Talking head / lip-sync → Kling 3.0, Veo 3.1 or MiniMax H3 (all do synchronized audio).
• Edit an existing clip by instruction → Gemini Omni 1.1 Flash or Runway Aleph.
• Free / self-hosted → Wan 2.2, MiniMax H3 or LTX-2.5.

What makes a good video prompt in 2026

The biggest difference between image and video prompting is motion, time and stability. The prompt guides published by ByteDance, Kling, Google and LTX in 2026 converge on the same structure — write the clip as a director's brief, not as a keyword list:

• FORMAT — duration, aspect ratio, one continuous take or numbered shots.
• REFERENCES with roles — "@Image1 controls identity only; do not copy its pose, background or lighting." One job per reference.
• STARTING STATE — where the subject, camera and light are at 0 s.
• TIMELINE — beats such as "0–3 s …, 3–7 s …", one visible action per beat, cause → effect → sound → reaction as separate sentences, and say where the motion settles.
• CAMERA — one explicit move (slow dolly in, locked-off tripod, orbit), with the lens and framing.
• CONTINUITY — invariants that must not change: face, outfit, the object in the left hand, screen direction.
• AUDIO — dialogue in the model's syntax (Kling: Name "line" plus a tone tag; Veo: speech in quotes), then room tone, foley and music.
• CONSTRAINTS — no cuts, no slow motion, no duplicated subject, no on-screen text.

Two things to drop: contradictions (a "static locked-off camera" and a "whip pan" in the same clip) and spec tokens such as "120fps", "8K" or "48kHz" — video models render at their own frame rate and sample rate, so those words only add noise. Negative prompts are a legacy technique: Veo on the Gemini API has no negative field and Gemini image models do not support one, so write exclusions as plain constraints.

FAQ

Want your video prompt built for you? GoldenPrompts assembles a studio-grade English prompt — timeline, camera, continuity and audio baked in — for Veo, Kling, Seedance, Runway and more. Free to start: 24 hours of everything, no card.