Best Text-to-Video AI in 2026: Veo, Sora, Kling & Seedance Compared

There is no single "best" text-to-video model in 2026 — there is a best one for your clip length, your resolution, and your budget. Four makers lead the field: Google Veo 3.1 (native audio, up to 4K), OpenAI Sora 2 & Sora 2 Pro (synced audio, longest clips), ByteDance Seedance 2.0 (15-second multi-shot with dual-channel audio), and Kuaishou Kling 3.0. This guide compares them on the five things that actually decide the pick — max length, resolution, audio, access, and per-second price — with every number quoted from a primary source and dated. One honest note up front: DataLLM Lab does not serve video models, so this is a vendor-neutral landscape guide, not a pitch.

The short answer: which to pick

Match the model to your hardest constraint, not to a leaderboard. Four families lead the market in 2026, and each wins a different job:

• Need the highest resolution with sound? Google Veo 3.1 — native audio and output in 1080p and 4K.
• Need the longest single clip? OpenAI Sora 2 — 16- and 20-second generations extendable up to 120 seconds.
• Need fast multi-shot with built-in music and voiceover? ByteDance Seedance 2.0 — up to 15 seconds with dual-channel audio.
• Need extended, storyboard-controlled sequences? Kuaishou Kling 3.0 — though it publishes no numeric specs, so buy on your own tests.

The rest of this guide is the evidence behind those picks. Every figure is quoted from the maker's own documentation and dated as of July 2026; where a spec is not stated by a primary source, we say so rather than invent one.

The 2026 text-to-video comparison

This is the single table most people are looking for. Length, resolution, audio, access and price side by side — read the footnotes, because the gaps are as informative as the numbers.

¹ Google's official Veo page shows 8-second example clips and states no numeric maximum — 8s is the demonstrated native length, not a stated cap. ² Extendable to a maximum of 120 seconds across up to six extensions, per OpenAI's video-generation guide (medium confidence). ³ Lowest-to-highest resolution tier. ⁴ ByteDance's official Seedance pages omit resolution and price. ⁵ MiniMax prices in "video points", not dollars — e.g. Hailuo-2.3 at 1080p/6s = 2 points. ⁶ Runway's dev docs show a 5-second example at 720p; no native-audio spec is confirmed. Sources linked in each model section below.

Google Veo 3.1 — native audio and 4K

Veo 3.1 is the pick when you need the highest resolution with sound baked in. Per Google DeepMind's model page, Veo 3/3.1 generates audio natively — sound effects, ambient noise, and dialogue — jointly with the video, and outputs in 1080p and 4K. That combination (true 4K plus joint audio) is what sets it apart from the field.

Access is the broadest of any model here: the Gemini app, Google Flow, Google Vids, Google AI Studio, and the Gemini API for developers. On clip length, be precise — the official page demonstrates 8-second clips but does not publish a numeric maximum, so treat 8s as the shown native length, not a hard cap.

Pricing is per second of generated video on the Gemini API (as of July 2026):

Note the unit: every figure is per second, so an 8-second 4K Veo 3.1 Standard clip is roughly $4.80 before any retries. The native-audio and quality claims are vendor-reported; Google publishes no third-party benchmark and neither do we.

OpenAI Sora 2 & Sora 2 Pro — the longest clips

Sora 2 wins on duration and on price-per-second at the entry tier. Per OpenAI's Sora 2 model page, it generates videos with synchronized (native) audio and outputs 720p — 720×1280 portrait or 1280×720 landscape — at $0.10 per second. Sora 2 Pro adds higher resolutions up to true 1080p (1920×1080) and is priced at $0.30, $0.50 or $0.70 per second from lowest to highest resolution.

Both are API-only, called through the OpenAI Videos API with a POST /videos request:

curl https://api.openai.com/v1/videos \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "sora-2",
    "prompt": "a paper boat drifting down a rain gutter, cinematic",
    "size": "1280x720",
    "seconds": 16
  }'

On length, the video-generation guide states Sora 2 supports 16- and 20-second generations, extendable up to a maximum of 120 seconds across up to six extensions (medium confidence — other OpenAI pages list only per-second pricing). That makes Sora the only model here with a documented path to two-minute output. If you are budgeting a Sora project, the per-second maths is worked through in our Sora 2 cost breakdown. And because the API takes a structured request, tightening your prompt field pays off — see JSON prompts for AI video.

ByteDance Seedance 2.0 — multi-shot with dual-channel audio

Seedance 2.0 is the pick for fast, multi-shot clips that arrive with music, sound effects and voiceover already mixed in. Per ByteDance's launch post, it supports up to 15-second high-quality multi-shot audio-video output and generates dual-channel audio with multi-track parallel output — background music, ambient sound effects, and character voiceovers (all vendor-reported).

The honest gap: ByteDance's official pages do not list resolution or price. Access is via API through partner platforms — fal launched Seedance 2.0 in April 2026, for example. If you are weighing it against the others, our hands-on Seedance 2.0 review goes deeper on where the multi-shot control holds up and where it does not.

Kling, Hailuo and Runway — the rest of the field

Three more models matter, but two of them publish far less than the leaders.

• Kuaishou Kling 3.0 / 3.0 Omni. Kling's current flagship line is marketed for extended videos with precise shot and storyboard control. But the official homepage states no numeric duration, resolution or audio spec, and its API docs sit behind an anti-bot wall. Every Kling length/resolution number circulating online is community-sourced — we omit them rather than pass them off as official.
• MiniMax Hailuo 2.3. Per the MiniMax pricing docs, Hailuo 2.3 and 2.3-Fast support 6- and 10-second clips at 768p or 1080p. Pricing is in "video points", not dollars: Hailuo-2.3-Fast is 0.7 points (768p/6s) up to 1.3 (1080p/6s); Hailuo-2.3 is 1–2 points. Native audio is not confirmed by the primary source, so we do not claim it.
• Runway Gen-4. Runway's developer docs show Gen-4-generation video at 720p (example ratio 1280:720) with a 5-second example duration. The full duration range and native-audio status are not confirmable from a fetchable primary page, so we leave them blank.

What a clip actually costs

Generative-video pricing is volatile and quoted per second — always multiply by your clip length before comparing. The headline "$0.10" and "$0.70" describe very different videos. Here are the representative per-second prices for the models that publish dollar figures, so you can see the spread at a glance:

Two things this makes obvious. First, a 10-second clip spans roughly $1.00 (Sora 2) to $7.00 (Sora 2 Pro 1080p) — a 7× range for the same duration. Second, the two models that publish no dollar price (Seedance 2.0, Kling) can only be budgeted after you test them on your own partner platform. Because these figures move, re-check the linked pricing pages before you commit a production budget.

How to choose in 30 seconds

Answer three questions and the field narrows to one.

Whatever you choose, run the same prompt through two candidates before you standardise. Vendor quality claims ("multi-shot", "cinematic consistency", audio fidelity) are self-reported across the board — none of these makers publishes an independent benchmark, and neither do we, so your own side-by-side is the only benchmark that counts. Building the prompt as structured data helps keep those tests fair; see JSON prompts for AI video.

What DataLLM Lab actually serves

Straight answer: DataLLM Lab does not serve text-to-video models — you cannot call Veo, Sora, Seedance or Kling through us today. We say that plainly because plenty of "all-in-one" pages imply coverage they do not have. For video, you go direct: Veo via the Gemini API, Sora via the OpenAI Videos API, Seedance via a partner like fal, and Kling via its own platform.

What we do serve on one OpenAI-compatible key is chat and text-to-image. That includes Google's Gemini image models (the "Nano Banana" line) and OpenAI GPT Image, callable through the same endpoint as 300+ chat models. If your workflow is storyboard frames or thumbnails rather than motion, that is exactly the seam we cover — the landscape for stills is in best text-to-image AI in 2026, and the API side in best AI image API. If you are curious where video fits in the broader "world models" research direction, world models explained attributes those ideas to their originators without overstating maturity.

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