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Reference · Official sources

AI video model comparison

Model-level facts for the major video generators — clip length, resolution, native audio, watermarking, and pricing — verified on official pages. The product landscape changes fast; every row links to its official source.

ModelAccessDurationResolutionNative audioWatermarkPricing noteOfficial
Google Veo 3.1Video (Gemini app/API)Up to 8 seconds720p / 1080p / 4K (4K not on Lite)Native audio (dialogue, SFX, ambience)SynthID (invisible)API $0.05–$0.60/sec by tier; consumer via Google AI plansdeepmind.google — Veo
Adobe Firefly VideoWeb / Premiere Pro5s standard clipsUp to 1080p (24 fps)Sound effects & audio toolsContent Credentials (C2PA)Standard $9.99/mo, Pro $19.99/mo, Premium $199.99/mo (unlimited video model)adobe.com — Firefly.Html
Kling AI (current gen)Video (web/app)5–10s generations typicalUp to native 4K claimedNot documented on static pagesNot documentedPlan credits — not published on a static pagekling.ai
Luma Ray 3.2 & Dream MachineVideo (web/app)5–10s per generation540p–1080p by credit costAudio generation availableNot documentedPlus $30/mo, Pro $90/mo, Ultra $300/mo; per-gen credits publishedlumalabs.ai
Runway (Gen models)Video suite (web)Clip-length varies by modelUp to 1080p by modelAudio tools in suiteNot documentedFree tier (one-time 125 credits) + paid from $12/morunwayml.com
Pika 2.5Video (web/app)5s standard; Pikaframes to ~20–25s480p (free) to 1080pSound effects via PikaffectsNot documentedFree (80 credits) + $8/$28/$76 yearly-billedpika.art
OpenAI Sora (consumer)Discontinued————No longer available — data export only (sora.com)sora.com

Verified on the linked official pages. Capabilities vary by plan, region, and API tier — treat this as a snapshot, not a spec sheet. For buying decisions, use each tool's alternatives page and the comparisons.